Subtract 32/40 from 35/42
35/42 - 32/40 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
35/42 = 35 × 20/42 × 20 = 700/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
32/40 = 32 × 21/40 × 21 = 672/840 - Subtract the two like fractions:
700/840 - 672/840 = 700 - 672/840 = 28/840 - After reducing the fraction, the answer is 1/30
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