Add 27/60 and 60/42
1st number: 27/60, 2nd number: 1 18/42
27/60 + 60/42 is 263/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
60/42 = 60 × 10/42 × 10 = 600/420 - Add the two like fractions:
189/420 + 600/420 = 189 + 600/420 = 789/420 - 789/420 simplified gives 263/140
- So, 27/60 + 60/42 = 263/140
In mixed form: 1123/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+60/42 27/60+60/84 81/60+60/42