Subtract 7/30 from 35/15
1st number: 2 5/15, 2nd number: 7/30
35/15 - 7/30 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
35/15 = 35 × 2/15 × 2 = 70/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Subtract the two like fractions:
70/30 - 7/30 = 70 - 7/30 = 63/30 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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