Subtract 80/63 from 7/70
1st number: 7/70, 2nd number: 1 17/63
7/70 - 80/63 is -737/630.
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,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Subtract the two like fractions:
63/630 - 800/630 = 63 - 800/630 = -737/630
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