Add 90/8 and 72/7
1st number: 11 2/8, 2nd number: 10 2/7
90/8 + 72/7 is 603/28.
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,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
72/7 = 72 × 8/7 × 8 = 576/56 - Add the two like fractions:
630/56 + 576/56 = 630 + 576/56 = 1206/56 - 1206/56 simplified gives 603/28
- So, 90/8 + 72/7 = 603/28
In mixed form: 2115/28
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