Subtract 42/50 from 9/7
1st number: 1 2/7, 2nd number: 42/50
9/7 - 42/50 is 78/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
9/7 = 9 × 50/7 × 50 = 450/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
42/50 = 42 × 7/50 × 7 = 294/350 - Subtract the two like fractions:
450/350 - 294/350 = 450 - 294/350 = 156/350 - After reducing the fraction, the answer is 78/175
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