Subtract 90/7 from 50/5
1st number: 10 0/5, 2nd number: 12 6/7
50/5 - 90/7 is -20/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
50/5 = 50 × 7/5 × 7 = 350/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
90/7 = 90 × 5/7 × 5 = 450/35 - Subtract the two like fractions:
350/35 - 450/35 = 350 - 450/35 = -100/35 - After reducing the fraction, the answer is -20/7
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