Subtract 40/30 from 63/7
1st number: 9 0/7, 2nd number: 1 10/30
63/7 - 40/30 is 23/3.
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,
63/7 = 63 × 30/7 × 30 = 1890/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Subtract the two like fractions:
1890/210 - 280/210 = 1890 - 280/210 = 1610/210 - After reducing the fraction, the answer is 23/3
- In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/7-80/30 63/14-40/30 63/7-40/60 63/21-40/30 63/7-40/90 63/35-40/30 63/49-40/30