Add 40/16 and 63/20
1st number: 2 8/16, 2nd number: 3 3/20
40/16 + 63/20 is 113/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
40/16 = 40 × 5/16 × 5 = 200/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
63/20 = 63 × 4/20 × 4 = 252/80 - Add the two like fractions:
200/80 + 252/80 = 200 + 252/80 = 452/80 - 452/80 simplified gives 113/20
- So, 40/16 + 63/20 = 113/20
In mixed form: 513/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+63/20 40/32+63/20 40/16+63/40 40/48+63/20 40/16+63/60 40/80+63/20