Subtract 98/72 from 18/20
1st number: 18/20, 2nd number: 1 26/72
18/20 - 98/72 is -83/180.
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,
18/20 = 18 × 18/20 × 18 = 324/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
98/72 = 98 × 5/72 × 5 = 490/360 - Subtract the two like fractions:
324/360 - 490/360 = 324 - 490/360 = -166/360 - After reducing the fraction, the answer is -83/180
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