Add 21/96 and 5/90
21/96 + 5/90 is 79/288.
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,
21/96 = 21 × 15/96 × 15 = 315/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
5/90 = 5 × 16/90 × 16 = 80/1440 - Add the two like fractions:
315/1440 + 80/1440 = 315 + 80/1440 = 395/1440 - 395/1440 simplified gives 79/288
- So, 21/96 + 5/90 = 79/288
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