Add 45/81 and 4/56
45/81 + 4/56 is 79/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 56 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 81 × 56 = 4536,
45/81 = 45 × 56/81 × 56 = 2520/4536 - Likewise, for the 2nd fraction, since 56 × 81 = 4536,
4/56 = 4 × 81/56 × 81 = 324/4536 - Add the two like fractions:
2520/4536 + 324/4536 = 2520 + 324/4536 = 2844/4536 - 2844/4536 simplified gives 79/126
- So, 45/81 + 4/56 = 79/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/81+4/56 45/81+8/56 45/81+12/56 45/81+20/56 45/81+28/56