Add 60/40 and 63/7
1st number: 1 20/40, 2nd number: 9 0/7
60/40 + 63/7 is 21/2.
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,
60/40 = 60 × 7/40 × 7 = 420/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
63/7 = 63 × 40/7 × 40 = 2520/280 - Add the two like fractions:
420/280 + 2520/280 = 420 + 2520/280 = 2940/280 - 2940/280 simplified gives 21/2
- So, 60/40 + 63/7 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+63/7 60/40+63/14 60/40+63/21 60/40+63/35 60/40+63/49