Subtract 21/6 from 70/50
1st number: 1 20/50, 2nd number: 3 3/6
70/50 - 21/6 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
70/50 = 70 × 3/50 × 3 = 210/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
21/6 = 21 × 25/6 × 25 = 525/150 - Subtract the two like fractions:
210/150 - 525/150 = 210 - 525/150 = -315/150 - After reducing the fraction, the answer is -21/10
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