Add 12/42 and 21/32
12/42 + 21/32 is 211/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
12/42 = 12 × 16/42 × 16 = 192/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Add the two like fractions:
192/672 + 441/672 = 192 + 441/672 = 633/672 - 633/672 simplified gives 211/224
- So, 12/42 + 21/32 = 211/224
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