Add 8/54 and 21/5
1st number: 8/54, 2nd number: 4 1/5
8/54 + 21/5 is 587/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
8/54 = 8 × 5/54 × 5 = 40/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
21/5 = 21 × 54/5 × 54 = 1134/270 - Add the two like fractions:
40/270 + 1134/270 = 40 + 1134/270 = 1174/270 - 1174/270 simplified gives 587/135
- So, 8/54 + 21/5 = 587/135
In mixed form: 447/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54+21/5 8/54+42/5 8/54+21/10 24/54+21/5 8/54+63/5 8/54+21/15 40/54+21/5 8/54+21/25 56/54+21/5 8/54+21/35