Subtract 70/9 from 20/32
1st number: 20/32, 2nd number: 7 7/9
20/32 - 70/9 is -515/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
20/32 = 20 × 9/32 × 9 = 180/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
70/9 = 70 × 32/9 × 32 = 2240/288 - Subtract the two like fractions:
180/288 - 2240/288 = 180 - 2240/288 = -2060/288 - After reducing the fraction, the answer is -515/72
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