Subtract 7/42 from 54/5
1st number: 10 4/5, 2nd number: 7/42
54/5 - 7/42 is 319/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
54/5 = 54 × 42/5 × 42 = 2268/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Subtract the two like fractions:
2268/210 - 35/210 = 2268 - 35/210 = 2233/210 - After reducing the fraction, the answer is 319/30
- In mixed form: 1019/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-14/42 54/10-7/42 54/5-7/84 54/5-21/42 54/15-7/42 54/5-35/42 54/25-7/42 54/5-49/42 54/35-7/42