Subtract 4/15 from 21/50
21/50 - 4/15 is 23/150.
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,
21/50 = 21 × 3/50 × 3 = 63/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
4/15 = 4 × 10/15 × 10 = 40/150 - Subtract the two like fractions:
63/150 - 40/150 = 63 - 40/150 = 23/150
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