Subtract 49/32 from 70/72
1st number: 70/72, 2nd number: 1 17/32
70/72 - 49/32 is -161/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
70/72 = 70 × 4/72 × 4 = 280/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
49/32 = 49 × 9/32 × 9 = 441/288 - Subtract the two like fractions:
280/288 - 441/288 = 280 - 441/288 = -161/288
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