Subtract 84/9 from 12/40
1st number: 12/40, 2nd number: 9 3/9
12/40 - 84/9 is -271/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
12/40 = 12 × 9/40 × 9 = 108/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
84/9 = 84 × 40/9 × 40 = 3360/360 - Subtract the two like fractions:
108/360 - 3360/360 = 108 - 3360/360 = -3252/360 - After reducing the fraction, the answer is -271/30
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