Add 42/36 and 27/15
1st number: 1 6/36, 2nd number: 1 12/15
42/36 + 27/15 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
27/15 = 27 × 12/15 × 12 = 324/180 - Add the two like fractions:
210/180 + 324/180 = 210 + 324/180 = 534/180 - 534/180 simplified gives 89/30
- So, 42/36 + 27/15 = 89/30
In mixed form: 229/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+27/15 42/36+54/15 42/72+27/15 42/36+27/30 42/36+81/15 42/36+27/45 42/36+27/75