Add 75/27 and 81/8
1st number: 2 21/27, 2nd number: 10 1/8
75/27 + 81/8 is 929/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
75/27 = 75 × 8/27 × 8 = 600/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
81/8 = 81 × 27/8 × 27 = 2187/216 - Add the two like fractions:
600/216 + 2187/216 = 600 + 2187/216 = 2787/216 - 2787/216 simplified gives 929/72
- So, 75/27 + 81/8 = 929/72
In mixed form: 1265/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/54+81/8 75/27+81/16 75/81+81/8 75/27+81/24 75/27+81/40 75/27+81/56