Subtract 84/72 from 8/30
1st number: 8/30, 2nd number: 1 12/72
8/30 - 84/72 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
8/30 = 8 × 12/30 × 12 = 96/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Subtract the two like fractions:
96/360 - 420/360 = 96 - 420/360 = -324/360 - After reducing the fraction, the answer is -9/10
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