Subtract 3/45 from 42/25
1st number: 1 17/25, 2nd number: 3/45
42/25 - 3/45 is 121/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
42/25 = 42 × 9/25 × 9 = 378/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
3/45 = 3 × 5/45 × 5 = 15/225 - Subtract the two like fractions:
378/225 - 15/225 = 378 - 15/225 = 363/225 - After reducing the fraction, the answer is 121/75
- In mixed form: 146/75
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