Subtract 90/70 from 1/50
1st number: 1/50, 2nd number: 1 20/70
1/50 - 90/70 is -443/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
1/50 = 1 × 7/50 × 7 = 7/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
90/70 = 90 × 5/70 × 5 = 450/350 - Subtract the two like fractions:
7/350 - 450/350 = 7 - 450/350 = -443/350
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