Add 27/5 and 18/54
1st number: 5 2/5, 2nd number: 18/54
27/5 + 18/54 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
27/5 = 27 × 54/5 × 54 = 1458/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Add the two like fractions:
1458/270 + 90/270 = 1458 + 90/270 = 1548/270 - 1548/270 simplified gives 86/15
- So, 27/5 + 18/54 = 86/15
In mixed form: 511/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5+18/54 27/5+36/54 27/10+18/54 81/5+18/54 27/15+18/54 27/5+90/54 27/25+18/54 27/35+18/54