Subtract 48/60 from 1/45
1/45 - 48/60 is -7/9.
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,
1/45 = 1 × 4/45 × 4 = 4/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
48/60 = 48 × 3/60 × 3 = 144/180 - Subtract the two like fractions:
4/180 - 144/180 = 4 - 144/180 = -140/180 - After reducing the fraction, the answer is -7/9
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