Add 15/96 and 21/90
15/96 + 21/90 is 187/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
15/96 = 15 × 15/96 × 15 = 225/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
21/90 = 21 × 16/90 × 16 = 336/1440 - Add the two like fractions:
225/1440 + 336/1440 = 225 + 336/1440 = 561/1440 - 561/1440 simplified gives 187/480
- So, 15/96 + 21/90 = 187/480
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