Add 21/15 and 30/64
1st number: 1 6/15, 2nd number: 30/64
21/15 + 30/64 is 299/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 15 × 64 = 960,
21/15 = 21 × 64/15 × 64 = 1344/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
30/64 = 30 × 15/64 × 15 = 450/960 - Add the two like fractions:
1344/960 + 450/960 = 1344 + 450/960 = 1794/960 - 1794/960 simplified gives 299/160
- So, 21/15 + 30/64 = 299/160
In mixed form: 1139/160
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