Subtract 3/30 from 70/63
1st number: 1 7/63, 2nd number: 3/30
70/63 - 3/30 is 91/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
3/30 = 3 × 21/30 × 21 = 63/630 - Subtract the two like fractions:
700/630 - 63/630 = 700 - 63/630 = 637/630 - After reducing the fraction, the answer is 91/90
- In mixed form: 11/90
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