Add 81/72 and 56/7
1st number: 1 9/72, 2nd number: 8 0/7
81/72 + 56/7 is 73/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
81/72 = 81 × 7/72 × 7 = 567/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
56/7 = 56 × 72/7 × 72 = 4032/504 - Add the two like fractions:
567/504 + 4032/504 = 567 + 4032/504 = 4599/504 - 4599/504 simplified gives 73/8
- So, 81/72 + 56/7 = 73/8
In mixed form: 91/8
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