Subtract 54/30 from 1/7
1st number: 1/7, 2nd number: 1 24/30
1/7 - 54/30 is -58/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
1/7 = 1 × 30/7 × 30 = 30/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
54/30 = 54 × 7/30 × 7 = 378/210 - Subtract the two like fractions:
30/210 - 378/210 = 30 - 378/210 = -348/210 - After reducing the fraction, the answer is -58/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7-54/30 1/14-54/30 1/7-54/60 3/7-54/30 1/21-54/30 1/7-54/90 5/7-54/30 1/35-54/30 1/49-54/30