Subtract 84/45 from 40/12
1st number: 3 4/12, 2nd number: 1 39/45
40/12 - 84/45 is 22/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
40/12 = 40 × 15/12 × 15 = 600/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Subtract the two like fractions:
600/180 - 336/180 = 600 - 336/180 = 264/180 - After reducing the fraction, the answer is 22/15
- In mixed form: 17/15
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