Subtract 21/50 from 40/30
1st number: 1 10/30, 2nd number: 21/50
40/30 - 21/50 is 137/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
40/30 = 40 × 5/30 × 5 = 200/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Subtract the two like fractions:
200/150 - 63/150 = 200 - 63/150 = 137/150
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