Subtract 70/63 from 30/10
1st number: 3 0/10, 2nd number: 1 7/63
30/10 - 70/63 is 17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
30/10 = 30 × 63/10 × 63 = 1890/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Subtract the two like fractions:
1890/630 - 700/630 = 1890 - 700/630 = 1190/630 - After reducing the fraction, the answer is 17/9
- In mixed form: 18/9
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