Add 10/42 and 20/32
10/42 + 20/32 is 145/168.
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,
10/42 = 10 × 16/42 × 16 = 160/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
20/32 = 20 × 21/32 × 21 = 420/672 - Add the two like fractions:
160/672 + 420/672 = 160 + 420/672 = 580/672 - 580/672 simplified gives 145/168
- So, 10/42 + 20/32 = 145/168
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