Subtract 45/12 from 84/45
1st number: 1 39/45, 2nd number: 3 9/12
84/45 - 45/12 is -113/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
45/12 = 45 × 15/12 × 15 = 675/180 - Subtract the two like fractions:
336/180 - 675/180 = 336 - 675/180 = -339/180 - After reducing the fraction, the answer is -113/60
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