Add 21/84 and 4/32
21/84 + 4/32 is 3/8.
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,
4/32 = 4 × 21/32 × 21 = 84/672 - Add the two like fractions:
168/672 + 84/672 = 168 + 84/672 = 252/672 - 252/672 simplified gives 3/8
- So, 21/84 + 4/32 = 3/8
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