Subtract 54/10 from 5/7
1st number: 5/7, 2nd number: 5 4/10
5/7 - 54/10 is -164/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
5/7 = 5 × 10/7 × 10 = 50/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
54/10 = 54 × 7/10 × 7 = 378/70 - Subtract the two like fractions:
50/70 - 378/70 = 50 - 378/70 = -328/70 - After reducing the fraction, the answer is -164/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-54/10 5/14-54/10 5/7-54/20 15/7-54/10 5/21-54/10 5/7-54/30 25/7-54/10 5/35-54/10 5/7-54/50 35/7-54/10 5/49-54/10 5/7-54/70