Add 20/42 and 4/32
20/42 + 4/32 is 101/168.
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,
20/42 = 20 × 16/42 × 16 = 320/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
4/32 = 4 × 21/32 × 21 = 84/672 - Add the two like fractions:
320/672 + 84/672 = 320 + 84/672 = 404/672 - 404/672 simplified gives 101/168
- So, 20/42 + 4/32 = 101/168
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