Add 12/32 and 20/42
12/32 + 20/42 is 143/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
12/32 = 12 × 21/32 × 21 = 252/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
20/42 = 20 × 16/42 × 16 = 320/672 - Add the two like fractions:
252/672 + 320/672 = 252 + 320/672 = 572/672 - 572/672 simplified gives 143/168
- So, 12/32 + 20/42 = 143/168
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