Subtract 8/7 from 30/35
1st number: 30/35, 2nd number: 1 1/7
30/35 - 8/7 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
30/35 = 30 × 1/35 × 1 = 30/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
8/7 = 8 × 5/7 × 5 = 40/35 - Subtract the two like fractions:
30/35 - 40/35 = 30 - 40/35 = -10/35 - After reducing the fraction, the answer is -2/7
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