Subtract 70/72 from 30/48
30/48 - 70/72 is -25/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
70/72 = 70 × 2/72 × 2 = 140/144 - Subtract the two like fractions:
90/144 - 140/144 = 90 - 140/144 = -50/144 - After reducing the fraction, the answer is -25/72
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