Add 21/84 and 7/32
21/84 + 7/32 is 15/32.
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,
21/84 = 21 × 8/84 × 8 = 168/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
7/32 = 7 × 21/32 × 21 = 147/672 - Add the two like fractions:
168/672 + 147/672 = 168 + 147/672 = 315/672 - 315/672 simplified gives 15/32
- So, 21/84 + 7/32 = 15/32
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