Add 4/90 and 42/36
1st number: 4/90, 2nd number: 1 6/36
4/90 + 42/36 is 109/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
8/180 + 210/180 = 8 + 210/180 = 218/180 - 218/180 simplified gives 109/90
- So, 4/90 + 42/36 = 109/90
In mixed form: 119/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+42/36 4/90+84/36 4/90+42/72 12/90+42/36 20/90+42/36 28/90+42/36