Add 40/4 and 81/40
1st number: 10 0/4, 2nd number: 2 1/40
40/4 + 81/40 is 481/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
40/4 = 40 × 10/4 × 10 = 400/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
81/40 = 81 × 1/40 × 1 = 81/40 - Add the two like fractions:
400/40 + 81/40 = 400 + 81/40 = 481/40 - So, 40/4 + 81/40 = 481/40
In mixed form: 121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+81/40 40/8+81/40 40/4+81/80 40/12+81/40 40/20+81/40 40/28+81/40