Subtract 20/42 from 70/96
70/96 - 20/42 is 85/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 96 × 7 = 672,
70/96 = 70 × 7/96 × 7 = 490/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
20/42 = 20 × 16/42 × 16 = 320/672 - Subtract the two like fractions:
490/672 - 320/672 = 490 - 320/672 = 170/672 - After reducing the fraction, the answer is 85/336
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