Add 90/84 and 21/32
1st number: 1 6/84, 2nd number: 21/32
90/84 + 21/32 is 387/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
90/84 = 90 × 8/84 × 8 = 720/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Add the two like fractions:
720/672 + 441/672 = 720 + 441/672 = 1161/672 - 1161/672 simplified gives 387/224
- So, 90/84 + 21/32 = 387/224
In mixed form: 1163/224
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