Subtract 90/70 from 9/50
1st number: 9/50, 2nd number: 1 20/70
9/50 - 90/70 is -387/350.
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,
9/50 = 9 × 7/50 × 7 = 63/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
90/70 = 90 × 5/70 × 5 = 450/350 - Subtract the two like fractions:
63/350 - 450/350 = 63 - 450/350 = -387/350
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