Add 4/40 and 63/20
1st number: 4/40, 2nd number: 3 3/20
4/40 + 63/20 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
63/20 = 63 × 2/20 × 2 = 126/40 - Add the two like fractions:
4/40 + 126/40 = 4 + 126/40 = 130/40 - 130/40 simplified gives 13/4
- So, 4/40 + 63/20 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+63/20 4/80+63/20 4/40+63/40 12/40+63/20 4/40+63/60 20/40+63/20 28/40+63/20