Subtract 15/8 from 7/70
1st number: 7/70, 2nd number: 1 7/8
7/70 - 15/8 is -71/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
7/70 = 7 × 4/70 × 4 = 28/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
15/8 = 15 × 35/8 × 35 = 525/280 - Subtract the two like fractions:
28/280 - 525/280 = 28 - 525/280 = -497/280 - After reducing the fraction, the answer is -71/40
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