Add 15/7 and 42/8
1st number: 2 1/7, 2nd number: 5 2/8
15/7 + 42/8 is 207/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Add the two like fractions:
120/56 + 294/56 = 120 + 294/56 = 414/56 - 414/56 simplified gives 207/28
- So, 15/7 + 42/8 = 207/28
In mixed form: 711/28
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