Subtract 45/48 from 10/72
10/72 - 45/48 is -115/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
10/72 = 10 × 2/72 × 2 = 20/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Subtract the two like fractions:
20/144 - 135/144 = 20 - 135/144 = -115/144
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