Subtract 27/15 from 70/50
1st number: 1 20/50, 2nd number: 1 12/15
70/50 - 27/15 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 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 15 × 10 = 150,
27/15 = 27 × 10/15 × 10 = 270/150 - Subtract the two like fractions:
210/150 - 270/150 = 210 - 270/150 = -60/150 - After reducing the fraction, the answer is -2/5
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