Subtract 16/42 from 40/60
40/60 - 16/42 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
16/42 = 16 × 10/42 × 10 = 160/420 - Subtract the two like fractions:
280/420 - 160/420 = 280 - 160/420 = 120/420 - After reducing the fraction, the answer is 2/7
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