Subtract 72/8 from 30/35
1st number: 30/35, 2nd number: 9 0/8
30/35 - 72/8 is -57/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
30/35 = 30 × 8/35 × 8 = 240/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
72/8 = 72 × 35/8 × 35 = 2520/280 - Subtract the two like fractions:
240/280 - 2520/280 = 240 - 2520/280 = -2280/280 - After reducing the fraction, the answer is -57/7
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