Subtract 54/8 from 30/14
1st number: 2 2/14, 2nd number: 6 6/8
30/14 - 54/8 is -129/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
30/14 = 30 × 4/14 × 4 = 120/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
54/8 = 54 × 7/8 × 7 = 378/56 - Subtract the two like fractions:
120/56 - 378/56 = 120 - 378/56 = -258/56 - After reducing the fraction, the answer is -129/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-54/8 30/28-54/8 30/14-54/16 90/14-54/8 30/42-54/8 30/14-54/24 30/70-54/8 30/14-54/40 30/98-54/8 30/14-54/56