Subtract 72/30 from 9/35
1st number: 9/35, 2nd number: 2 12/30
9/35 - 72/30 is -15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
9/35 = 9 × 6/35 × 6 = 54/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210 - Subtract the two like fractions:
54/210 - 504/210 = 54 - 504/210 = -450/210 - After reducing the fraction, the answer is -15/7
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