Subtract 21/63 from 90/6
1st number: 15 0/6, 2nd number: 21/63
90/6 - 21/63 is 44/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
90/6 = 90 × 21/6 × 21 = 1890/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Subtract the two like fractions:
1890/126 - 42/126 = 1890 - 42/126 = 1848/126 - After reducing the fraction, the answer is 44/3
- In mixed form: 142/3
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