Add 21/6 and 70/7
1st number: 3 3/6, 2nd number: 10 0/7
216 + 707 is 272.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
216 = 21 × 76 × 7 = 14742 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
707 = 70 × 67 × 6 = 42042 - Add the two like fractions:
14742 + 42042 = 147 + 42042 = 56742 - 567/42 simplified gives 272
- So, 21/6 + 70/7 = 27/2
In mixed form: 1312
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