Add 15/42 and 20/32
15/42 + 20/32 is 55/56.
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,
15/42 = 15 × 16/42 × 16 = 240/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
20/32 = 20 × 21/32 × 21 = 420/672 - Add the two like fractions:
240/672 + 420/672 = 240 + 420/672 = 660/672 - 660/672 simplified gives 55/56
- So, 15/42 + 20/32 = 55/56
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