Subtract 4/60 from 1/28
1/28 - 4/60 is -13/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
1/28 = 1 × 15/28 × 15 = 15/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Subtract the two like fractions:
15/420 - 28/420 = 15 - 28/420 = -13/420
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