Subtract 18/72 from 84/30
1st number: 2 24/30, 2nd number: 18/72
84/30 - 18/72 is 51/20.
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,
84/30 = 84 × 12/30 × 12 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Subtract the two like fractions:
1008/360 - 90/360 = 1008 - 90/360 = 918/360 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
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