Add 21/90 and 90/96
21/90 + 90/96 is 281/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
21/90 = 21 × 16/90 × 16 = 336/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
90/96 = 90 × 15/96 × 15 = 1350/1440 - Add the two like fractions:
336/1440 + 1350/1440 = 336 + 1350/1440 = 1686/1440 - 1686/1440 simplified gives 281/240
- So, 21/90 + 90/96 = 281/240
In mixed form: 141/240
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