Subtract 90/72 from 20/2
1st number: 10 0/2, 2nd number: 1 18/72
20/2 - 90/72 is 35/4.
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,
20/2 = 20 × 36/2 × 36 = 720/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Subtract the two like fractions:
720/72 - 90/72 = 720 - 90/72 = 630/72 - After reducing the fraction, the answer is 35/4
- In mixed form: 83/4
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