Add 60/42 and 40/28
1st number: 1 18/42, 2nd number: 1 12/28
60/42 + 40/28 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
60/42 = 60 × 2/42 × 2 = 120/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
40/28 = 40 × 3/28 × 3 = 120/84 - Add the two like fractions:
120/84 + 120/84 = 120 + 120/84 = 240/84 - 240/84 simplified gives 20/7
- So, 60/42 + 40/28 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+80/28 60/84+40/28 60/42+40/56 60/42+40/84