Subtract 7/45 from 42/28
1st number: 1 14/28, 2nd number: 7/45
42/28 - 7/45 is 121/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
42/28 = 42 × 45/28 × 45 = 1890/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
7/45 = 7 × 28/45 × 28 = 196/1260 - Subtract the two like fractions:
1890/1260 - 196/1260 = 1890 - 196/1260 = 1694/1260 - After reducing the fraction, the answer is 121/90
- In mixed form: 131/90
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