Subtract 28/70 from 1/60
1/60 - 28/70 is -23/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
1/60 = 1 × 7/60 × 7 = 7/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
28/70 = 28 × 6/70 × 6 = 168/420 - Subtract the two like fractions:
7/420 - 168/420 = 7 - 168/420 = -161/420 - After reducing the fraction, the answer is -23/60
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