Add 45/7 and 81/16
1st number: 6 3/7, 2nd number: 5 1/16
45/7 + 81/16 is 1287/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
45/7 = 45 × 16/7 × 16 = 720/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
81/16 = 81 × 7/16 × 7 = 567/112 - Add the two like fractions:
720/112 + 567/112 = 720 + 567/112 = 1287/112 - So, 45/7 + 81/16 = 1287/112
In mixed form: 1155/112
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