Add 80/8 and 21/54
1st number: 10 0/8, 2nd number: 21/54
80/8 + 21/54 is 187/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
80/8 = 80 × 27/8 × 27 = 2160/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Add the two like fractions:
2160/216 + 84/216 = 2160 + 84/216 = 2244/216 - 2244/216 simplified gives 187/18
- So, 80/8 + 21/54 = 187/18
In mixed form: 107/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+42/54 80/16+21/54 80/8+63/54 80/24+21/54 80/40+21/54 80/56+21/54