Add 60/56 and 90/81
1st number: 1 4/56, 2nd number: 1 9/81
60/56 + 90/81 is 275/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
60/56 = 60 × 81/56 × 81 = 4860/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
90/81 = 90 × 56/81 × 56 = 5040/4536 - Add the two like fractions:
4860/4536 + 5040/4536 = 4860 + 5040/4536 = 9900/4536 - 9900/4536 simplified gives 275/126
- So, 60/56 + 90/81 = 275/126
In mixed form: 223/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: