Add 90/56 and 60/81
1st number: 1 34/56, 2nd number: 60/81
90/56 + 60/81 is 1775/756.
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,
90/56 = 90 × 81/56 × 81 = 7290/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
60/81 = 60 × 56/81 × 56 = 3360/4536 - Add the two like fractions:
7290/4536 + 3360/4536 = 7290 + 3360/4536 = 10650/4536 - 10650/4536 simplified gives 1775/756
- So, 90/56 + 60/81 = 1775/756
In mixed form: 2263/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: