Subtract 3/45 from 56/42
1st number: 1 14/42, 2nd number: 3/45
56/42 - 3/45 is 19/15.
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,
56/42 = 56 × 15/42 × 15 = 840/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Subtract the two like fractions:
840/630 - 42/630 = 840 - 42/630 = 798/630 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
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