Subtract 84/30 from 75/70
1st number: 1 5/70, 2nd number: 2 24/30
75/70 - 84/30 is -121/70.
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,
84/30 = 84 × 7/30 × 7 = 588/210 - Subtract the two like fractions:
225/210 - 588/210 = 225 - 588/210 = -363/210 - After reducing the fraction, the answer is -121/70
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