Subtract 21/10 from 50/15
1st number: 3 5/15, 2nd number: 2 1/10
50/15 - 21/10 is 37/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
50/15 = 50 × 2/15 × 2 = 100/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Subtract the two like fractions:
100/30 - 63/30 = 100 - 63/30 = 37/30 - In mixed form: 17/30
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