Subtract 45/90 from 72/24
1st number: 3 0/24, 2nd number: 45/90
72/24 - 45/90 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
72/24 = 72 × 15/24 × 15 = 1080/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
45/90 = 45 × 4/90 × 4 = 180/360 - Subtract the two like fractions:
1080/360 - 180/360 = 1080 - 180/360 = 900/360 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
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