Subtract 72/96 from 3/30
3/30 - 72/96 is -13/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
3/30 = 3 × 16/30 × 16 = 48/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
72/96 = 72 × 5/96 × 5 = 360/480 - Subtract the two like fractions:
48/480 - 360/480 = 48 - 360/480 = -312/480 - After reducing the fraction, the answer is -13/20
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