Subtract 12/72 from 98/20
1st number: 4 18/20, 2nd number: 12/72
98/20 - 12/72 is 71/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
98/20 = 98 × 18/20 × 18 = 1764/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Subtract the two like fractions:
1764/360 - 60/360 = 1764 - 60/360 = 1704/360 - After reducing the fraction, the answer is 71/15
- In mixed form: 411/15
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