Subtract 8/7 from 63/30
1st number: 2 3/30, 2nd number: 1 1/7
63/30 - 8/7 is 67/70.
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,
63/30 = 63 × 7/30 × 7 = 441/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
8/7 = 8 × 30/7 × 30 = 240/210 - Subtract the two like fractions:
441/210 - 240/210 = 441 - 240/210 = 201/210 - After reducing the fraction, the answer is 67/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30-16/7 63/60-8/7 63/30-8/14 63/30-24/7 63/90-8/7 63/30-8/21 63/30-40/7 63/30-8/35 63/30-56/7 63/30-8/49