Add 2/40 and 63/80
2/40 + 63/80 is 67/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
2/40 = 2 × 2/40 × 2 = 4/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Add the two like fractions:
4/80 + 63/80 = 4 + 63/80 = 67/80 - So, 2/40 + 63/80 = 67/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40+63/80 2/80+63/80 6/40+63/80 10/40+63/80 14/40+63/80