Subtract 48/30 from 18/7
1st number: 2 4/7, 2nd number: 1 18/30
18/7 - 48/30 is 34/35.
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,
18/7 = 18 × 30/7 × 30 = 540/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
48/30 = 48 × 7/30 × 7 = 336/210 - Subtract the two like fractions:
540/210 - 336/210 = 540 - 336/210 = 204/210 - After reducing the fraction, the answer is 34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7-48/30 18/7-96/30 18/14-48/30 18/7-48/60 54/7-48/30 18/21-48/30 18/7-48/90 90/7-48/30 18/35-48/30 18/49-48/30