Subtract 21/50 from 90/15
1st number: 6 0/15, 2nd number: 21/50
90/15 - 21/50 is 279/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
90/15 = 90 × 10/15 × 10 = 900/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Subtract the two like fractions:
900/150 - 63/150 = 900 - 63/150 = 837/150 - After reducing the fraction, the answer is 279/50
- In mixed form: 529/50
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