Subtract 40/45 from 42/14
1st number: 3 0/14, 2nd number: 40/45
42/14 - 40/45 is 19/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
42/14 = 42 × 45/14 × 45 = 1890/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
40/45 = 40 × 14/45 × 14 = 560/630 - Subtract the two like fractions:
1890/630 - 560/630 = 1890 - 560/630 = 1330/630 - After reducing the fraction, the answer is 19/9
- In mixed form: 21/9
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