Add 90/21 and 60/64
1st number: 4 6/21, 2nd number: 60/64
90/21 + 60/64 is 585/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
90/21 = 90 × 64/21 × 64 = 5760/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
60/64 = 60 × 21/64 × 21 = 1260/1344 - Add the two like fractions:
5760/1344 + 1260/1344 = 5760 + 1260/1344 = 7020/1344 - 7020/1344 simplified gives 585/112
- So, 90/21 + 60/64 = 585/112
In mixed form: 525/112
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