Subtract 3/40 from 12/6
1st number: 2 0/6, 2nd number: 3/40
12/6 - 3/40 is 77/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
12/6 = 12 × 20/6 × 20 = 240/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Subtract the two like fractions:
240/120 - 9/120 = 240 - 9/120 = 231/120 - After reducing the fraction, the answer is 77/40
- In mixed form: 137/40
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