Subtract 18/72 from 98/28
1st number: 3 14/28, 2nd number: 18/72
98/28 - 18/72 is 13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
98/28 = 98 × 18/28 × 18 = 1764/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Subtract the two like fractions:
1764/504 - 126/504 = 1764 - 126/504 = 1638/504 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
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