Subtract 80/50 from 21/14
1st number: 1 7/14, 2nd number: 1 30/50
21/14 - 80/50 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 14 × 25 = 350,
21/14 = 21 × 25/14 × 25 = 525/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
80/50 = 80 × 7/50 × 7 = 560/350 - Subtract the two like fractions:
525/350 - 560/350 = 525 - 560/350 = -35/350 - After reducing the fraction, the answer is -1/10
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