Subtract 40/72 from 90/2
1st number: 45 0/2, 2nd number: 40/72
90/2 - 40/72 is 400/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
90/2 = 90 × 36/2 × 36 = 3240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
40/72 = 40 × 1/72 × 1 = 40/72 - Subtract the two like fractions:
3240/72 - 40/72 = 3240 - 40/72 = 3200/72 - After reducing the fraction, the answer is 400/9
- In mixed form: 444/9
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