Add 45/36 and 81/8
1st number: 1 9/36, 2nd number: 10 1/8
45/36 + 81/8 is 91/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
45/36 = 45 × 2/36 × 2 = 90/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
81/8 = 81 × 9/8 × 9 = 729/72 - Add the two like fractions:
90/72 + 729/72 = 90 + 729/72 = 819/72 - 819/72 simplified gives 91/8
- So, 45/36 + 81/8 = 91/8
In mixed form: 113/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+81/8 45/72+81/8 45/36+81/16 45/36+81/24 45/36+81/40 45/36+81/56