Subtract 40/21 from 70/32
1st number: 2 6/32, 2nd number: 1 19/21
70/32 - 40/21 is 95/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
70/32 = 70 × 21/32 × 21 = 1470/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
40/21 = 40 × 32/21 × 32 = 1280/672 - Subtract the two like fractions:
1470/672 - 1280/672 = 1470 - 1280/672 = 190/672 - After reducing the fraction, the answer is 95/336
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