Subtract 72/50 from 21/35
1st number: 21/35, 2nd number: 1 22/50
21/35 - 72/50 is -21/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 35 × 10 = 350,
21/35 = 21 × 10/35 × 10 = 210/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
72/50 = 72 × 7/50 × 7 = 504/350 - Subtract the two like fractions:
210/350 - 504/350 = 210 - 504/350 = -294/350 - After reducing the fraction, the answer is -21/25
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