Add 21/15 and 18/64
1st number: 1 6/15, 2nd number: 18/64
21/15 + 18/64 is 269/160.
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,
18/64 = 18 × 15/64 × 15 = 270/960 - Add the two like fractions:
1344/960 + 270/960 = 1344 + 270/960 = 1614/960 - 1614/960 simplified gives 269/160
- So, 21/15 + 18/64 = 269/160
In mixed form: 1109/160
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