Subtract 45/50 from 21/15
1st number: 1 6/15, 2nd number: 45/50
21/15 - 45/50 is 1/2.
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,
21/15 = 21 × 10/15 × 10 = 210/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
45/50 = 45 × 3/50 × 3 = 135/150 - Subtract the two like fractions:
210/150 - 135/150 = 210 - 135/150 = 75/150 - After reducing the fraction, the answer is 1/2
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