Add 42/8 and 90/7
1st number: 5 2/8, 2nd number: 12 6/7
42/8 + 90/7 is 507/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
90/7 = 90 × 8/7 × 8 = 720/56 - Add the two like fractions:
294/56 + 720/56 = 294 + 720/56 = 1014/56 - 1014/56 simplified gives 507/28
- So, 42/8 + 90/7 = 507/28
In mixed form: 183/28
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