Subtract 14/40 from 32/42
32/42 - 14/40 is 173/420.
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,
32/42 = 32 × 20/42 × 20 = 640/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
14/40 = 14 × 21/40 × 21 = 294/840 - Subtract the two like fractions:
640/840 - 294/840 = 640 - 294/840 = 346/840 - After reducing the fraction, the answer is 173/420
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