Add 42/60 and 84/36
1st number: 42/60, 2nd number: 2 12/36
42/60 + 84/36 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
84/36 = 84 × 5/36 × 5 = 420/180 - Add the two like fractions:
126/180 + 420/180 = 126 + 420/180 = 546/180 - 546/180 simplified gives 91/30
- So, 42/60 + 84/36 = 91/30
In mixed form: 31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+84/36 42/60+84/72