Subtract 54/10 from 4/7
1st number: 4/7, 2nd number: 5 4/10
4/7 - 54/10 is -169/35.
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,
4/7 = 4 × 10/7 × 10 = 40/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
54/10 = 54 × 7/10 × 7 = 378/70 - Subtract the two like fractions:
40/70 - 378/70 = 40 - 378/70 = -338/70 - After reducing the fraction, the answer is -169/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-54/10 4/14-54/10 4/7-54/20 12/7-54/10 4/21-54/10 4/7-54/30 20/7-54/10 4/35-54/10 4/7-54/50 28/7-54/10 4/49-54/10 4/7-54/70