Subtract 48/7 from 75/30
1st number: 2 15/30, 2nd number: 6 6/7
75/30 - 48/7 is -61/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
48/7 = 48 × 30/7 × 30 = 1440/210 - Subtract the two like fractions:
525/210 - 1440/210 = 525 - 1440/210 = -915/210 - After reducing the fraction, the answer is -61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30-96/7 75/60-48/7 75/30-48/14 75/90-48/7 75/30-48/21 75/30-48/35 75/30-48/49