Subtract 10/30 from 75/70
1st number: 1 5/70, 2nd number: 10/30
75/70 - 10/30 is 31/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Subtract the two like fractions:
225/210 - 70/210 = 225 - 70/210 = 155/210 - After reducing the fraction, the answer is 31/42
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