Subtract 90/7 from 28/50
1st number: 28/50, 2nd number: 12 6/7
28/50 - 90/7 is -2152/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 7 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
28/50 = 28 × 7/50 × 7 = 196/350 - Likewise, for the 2nd fraction, since 7 × 50 = 350,
90/7 = 90 × 50/7 × 50 = 4500/350 - Subtract the two like fractions:
196/350 - 4500/350 = 196 - 4500/350 = -4304/350 - After reducing the fraction, the answer is -2152/175
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