Add 2/40 and 63/7
1st number: 2/40, 2nd number: 9 0/7
2/40 + 63/7 is 181/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
63/7 = 63 × 40/7 × 40 = 2520/280 - Add the two like fractions:
14/280 + 2520/280 = 14 + 2520/280 = 2534/280 - 2534/280 simplified gives 181/20
- So, 2/40 + 63/7 = 181/20
In mixed form: 91/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+63/7 2/80+63/7 2/40+63/14 6/40+63/7 2/40+63/21 10/40+63/7 2/40+63/35 14/40+63/7 2/40+63/49