Subtract 60/45 from 6/42
1st number: 6/42, 2nd number: 1 15/45
6/42 - 60/45 is -25/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
6/42 = 6 × 15/42 × 15 = 90/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
60/45 = 60 × 14/45 × 14 = 840/630 - Subtract the two like fractions:
90/630 - 840/630 = 90 - 840/630 = -750/630 - After reducing the fraction, the answer is -25/21
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