Subtract 20/15 from 90/50
1st number: 1 40/50, 2nd number: 1 5/15
90/50 - 20/15 is 7/15.
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,
90/50 = 90 × 3/50 × 3 = 270/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
20/15 = 20 × 10/15 × 10 = 200/150 - Subtract the two like fractions:
270/150 - 200/150 = 270 - 200/150 = 70/150 - After reducing the fraction, the answer is 7/15
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