Subtract 70/40 from 42/3
1st number: 14 0/3, 2nd number: 1 30/40
42/3 - 70/40 is 49/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
42/3 = 42 × 40/3 × 40 = 1680/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Subtract the two like fractions:
1680/120 - 210/120 = 1680 - 210/120 = 1470/120 - After reducing the fraction, the answer is 49/4
- In mixed form: 121/4
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