Add 40/4 and 81/54
1st number: 10 0/4, 2nd number: 1 27/54
40/4 + 81/54 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
40/4 = 40 × 27/4 × 27 = 1080/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
81/54 = 81 × 2/54 × 2 = 162/108 - Add the two like fractions:
1080/108 + 162/108 = 1080 + 162/108 = 1242/108 - 1242/108 simplified gives 23/2
- So, 40/4 + 81/54 = 23/2
In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+81/54 40/8+81/54 40/12+81/54 40/20+81/54 40/28+81/54