Subtract 70/63 from 3/70
1st number: 3/70, 2nd number: 1 7/63
3/70 - 70/63 is -673/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Subtract the two like fractions:
27/630 - 700/630 = 27 - 700/630 = -673/630
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