Subtract 27/60 from 7/45
7/45 - 27/60 is -53/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
27/60 = 27 × 3/60 × 3 = 81/180 - Subtract the two like fractions:
28/180 - 81/180 = 28 - 81/180 = -53/180
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