Subtract 81/45 from 7/35
1st number: 7/35, 2nd number: 1 36/45
7/35 - 81/45 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
7/35 = 7 × 9/35 × 9 = 63/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
81/45 = 81 × 7/45 × 7 = 567/315 - Subtract the two like fractions:
63/315 - 567/315 = 63 - 567/315 = -504/315 - After reducing the fraction, the answer is -8/5
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