Add 56/4 and 81/45
1st number: 14 0/4, 2nd number: 1 36/45
56/4 + 81/45 is 79/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
56/4 = 56 × 45/4 × 45 = 2520/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Add the two like fractions:
2520/180 + 324/180 = 2520 + 324/180 = 2844/180 - 2844/180 simplified gives 79/5
- So, 56/4 + 81/45 = 79/5
In mixed form: 154/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+81/45 56/4+81/90 56/12+81/45 56/20+81/45 56/28+81/45