Subtract 3/42 from 45/25
1st number: 1 20/25, 2nd number: 3/42
45/25 - 3/42 is 121/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
45/25 = 45 × 42/25 × 42 = 1890/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
3/42 = 3 × 25/42 × 25 = 75/1050 - Subtract the two like fractions:
1890/1050 - 75/1050 = 1890 - 75/1050 = 1815/1050 - After reducing the fraction, the answer is 121/70
- In mixed form: 151/70
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