Subtract 21/35 from 50/30
1st number: 1 20/30, 2nd number: 21/35
50/30 - 21/35 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
21/35 = 21 × 6/35 × 6 = 126/210 - Subtract the two like fractions:
350/210 - 126/210 = 350 - 126/210 = 224/210 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
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