Subtract 20/28 from 45/60
45/60 - 20/28 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
45/60 = 45 × 7/60 × 7 = 315/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Subtract the two like fractions:
315/420 - 300/420 = 315 - 300/420 = 15/420 - After reducing the fraction, the answer is 1/28
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