Subtract 12/3 from 40/70
1st number: 40/70, 2nd number: 4 0/3
40/70 - 12/3 is -24/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
12/3 = 12 × 70/3 × 70 = 840/210 - Subtract the two like fractions:
120/210 - 840/210 = 120 - 840/210 = -720/210 - After reducing the fraction, the answer is -24/7
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