Add 60/42 and 12/9
1st number: 1 18/42, 2nd number: 1 3/9
60/42 + 12/9 is 58/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
60/42 = 60 × 3/42 × 3 = 180/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
12/9 = 12 × 14/9 × 14 = 168/126 - Add the two like fractions:
180/126 + 168/126 = 180 + 168/126 = 348/126 - 348/126 simplified gives 58/21
- So, 60/42 + 12/9 = 58/21
In mixed form: 216/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42+24/9 60/84+12/9 60/42+12/18 60/42+36/9 60/42+12/27 60/42+60/9 60/42+12/45 60/42+84/9 60/42+12/63