Subtract 1/45 from 45/42
1st number: 1 3/42, 2nd number: 1/45
45/42 - 1/45 is 661/630.
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,
45/42 = 45 × 15/42 × 15 = 675/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
1/45 = 1 × 14/45 × 14 = 14/630 - Subtract the two like fractions:
675/630 - 14/630 = 675 - 14/630 = 661/630 - In mixed form: 131/630
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