Add 7/5 and 42/27
1st number: 1 2/5, 2nd number: 1 15/27
7/5 + 42/27 is 133/45.
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,
7/5 = 7 × 27/5 × 27 = 189/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Add the two like fractions:
189/135 + 210/135 = 189 + 210/135 = 399/135 - 399/135 simplified gives 133/45
- So, 7/5 + 42/27 = 133/45
In mixed form: 243/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+42/27 7/5+84/27 7/10+42/27 7/5+42/54 21/5+42/27 7/15+42/27 7/5+42/81 35/5+42/27 7/25+42/27 49/5+42/27 7/35+42/27