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Grade 6 - Mathematics6.5 Addition and Subtraction of Mixed Numbers

 Method: Add or subtract the whole numbers Add the fractional part Example: 12 3/4 + 1 1/2 Add the whole numbers first 12 + 1 = 13 Add the fractional part 3/4 + 1/2 Denominators are 4 and 2, LCM is 4. Multiply and divide each fraction by LCM 3/4 * 4/4 = 3/4 1/2 * 4/4 = 2/4 Adding 3/4 + 2/4 = 5/4 Answer: 13 5/4 Directions: Add or subtract the following mixed numbers. Also write at least ten examples of your own.
 Q 1: 2 2/3 + 3 1/2 + 6 1/6 = (hint: first add the fraction parts by taking LCD of 2/3 and 1/2, then add the whole number parts)12 1/412 1/312 2/3 Q 2: 6 1/2 - 3 1/4 =1 3/43 3/42 1/43 1/4 Q 3: 12 1/7 + 5 3/7 = (hint: first add the fraction parts by taking LCM of 2/3 and 1/2, then add the whole number parts)17 4/717 3/917 3/7 Q 4: 2 5/6 - 1 2/6 =4 5/61 1/21 2/31 3/4 Q 5: 6 - 2 1/4 =3 2/44 3/42 1/43 3/4 Q 6: 2 6/8 - 1 2/4 =1 1/42 4/51 3/41 1/8 Q 7: 6/10 - 2/5 = (hint: write equivalent fraction or simplified fraction for 6/10)7/85/61/52/9 Q 8: 5 3/16 - 2 11/12 = (hint: write the fractions with common denominator as 5 9/48 - 2 44/48 , which is equal to 4 57/48 - 2 44/48)2 13/482 11/122 11/48 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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