Subtract 20/90 from 98/72
1st number: 1 26/72, 2nd number: 20/90
98/72 - 20/90 is 41/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
98/72 = 98 × 5/72 × 5 = 490/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
20/90 = 20 × 4/90 × 4 = 80/360 - Subtract the two like fractions:
490/360 - 80/360 = 490 - 80/360 = 410/360 - After reducing the fraction, the answer is 41/36
- In mixed form: 15/36
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