Subtract 3/42 from 45/6
1st number: 7 3/6, 2nd number: 3/42
45/6 - 3/42 is 52/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
3/42 = 3 × 1/42 × 1 = 3/42 - Subtract the two like fractions:
315/42 - 3/42 = 315 - 3/42 = 312/42 - After reducing the fraction, the answer is 52/7
- In mixed form: 73/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-3/42 45/6-6/42 45/12-3/42 45/6-3/84 45/6-9/42 45/18-3/42 45/6-15/42 45/30-3/42 45/6-21/42 45/42-3/42