Subtract 2/80 from 45/12
1st number: 3 9/12, 2nd number: 2/80
45/12 - 2/80 is 149/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
45/12 = 45 × 20/12 × 20 = 900/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240 - Subtract the two like fractions:
900/240 - 6/240 = 900 - 6/240 = 894/240 - After reducing the fraction, the answer is 149/40
- In mixed form: 329/40
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