Add 12/21 and 7/32
12/21 + 7/32 is 177/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
12/21 = 12 × 32/21 × 32 = 384/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
7/32 = 7 × 21/32 × 21 = 147/672 - Add the two like fractions:
384/672 + 147/672 = 384 + 147/672 = 531/672 - 531/672 simplified gives 177/224
- So, 12/21 + 7/32 = 177/224
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