Add 42/60 and 28/27
1st number: 42/60, 2nd number: 1 1/27
42/60 + 28/27 is 469/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
42/60 = 42 × 9/60 × 9 = 378/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
28/27 = 28 × 20/27 × 20 = 560/540 - Add the two like fractions:
378/540 + 560/540 = 378 + 560/540 = 938/540 - 938/540 simplified gives 469/270
- So, 42/60 + 28/27 = 469/270
In mixed form: 1199/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+28/27 42/60+56/27 42/60+28/54 42/60+84/27 42/60+28/81