Add 15/36 and 1/90
15/36 + 1/90 is 77/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
1/90 = 1 × 2/90 × 2 = 2/180 - Add the two like fractions:
75/180 + 2/180 = 75 + 2/180 = 77/180 - So, 15/36 + 1/90 = 77/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+1/90 15/36+2/90 15/72+1/90 45/36+1/90 15/36+3/90 75/36+1/90 15/36+5/90 15/36+7/90