Subtract 70/50 from 21/35
1st number: 21/35, 2nd number: 1 20/50
21/35 - 70/50 is -4/5.
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,
70/50 = 70 × 7/50 × 7 = 490/350 - Subtract the two like fractions:
210/350 - 490/350 = 210 - 490/350 = -280/350 - After reducing the fraction, the answer is -4/5
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