Subtract 63/42 from 90/3
1st number: 30 0/3, 2nd number: 1 21/42
90/3 - 63/42 is 57/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
90/3 = 90 × 14/3 × 14 = 1260/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Subtract the two like fractions:
1260/42 - 63/42 = 1260 - 63/42 = 1197/42 - After reducing the fraction, the answer is 57/2
- In mixed form: 281/2
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