Subtract 60/45 from 45/70
1st number: 45/70, 2nd number: 1 15/45
45/70 - 60/45 is -29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
60/45 = 60 × 14/45 × 14 = 840/630 - Subtract the two like fractions:
405/630 - 840/630 = 405 - 840/630 = -435/630 - After reducing the fraction, the answer is -29/42
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