Subtract 15/8 from 90/35
1st number: 2 20/35, 2nd number: 1 7/8
90/35 - 15/8 is 39/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
90/35 = 90 × 8/35 × 8 = 720/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
15/8 = 15 × 35/8 × 35 = 525/280 - Subtract the two like fractions:
720/280 - 525/280 = 720 - 525/280 = 195/280 - After reducing the fraction, the answer is 39/56
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