Add 1/5 and 42/27
1st number: 1/5, 2nd number: 1 15/27
1/5 + 42/27 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
1/5 = 1 × 27/5 × 27 = 27/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Add the two like fractions:
27/135 + 210/135 = 27 + 210/135 = 237/135 - 237/135 simplified gives 79/45
- So, 1/5 + 42/27 = 79/45
In mixed form: 134/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+42/27 1/5+84/27 1/10+42/27 1/5+42/54 3/5+42/27 1/15+42/27 1/5+42/81 1/25+42/27 7/5+42/27 1/35+42/27