Add 7/84 and 90/64
1st number: 7/84, 2nd number: 1 26/64
7/84 + 90/64 is 143/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 84 × 16 = 1344,
7/84 = 7 × 16/84 × 16 = 112/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
90/64 = 90 × 21/64 × 21 = 1890/1344 - Add the two like fractions:
112/1344 + 1890/1344 = 112 + 1890/1344 = 2002/1344 - 2002/1344 simplified gives 143/96
- So, 7/84 + 90/64 = 143/96
In mixed form: 147/96
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