Add 3/36 and 12/90
3/36 + 12/90 is 13/60.
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,
3/36 = 3 × 5/36 × 5 = 15/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
15/180 + 24/180 = 15 + 24/180 = 39/180 - 39/180 simplified gives 13/60
- So, 3/36 + 12/90 = 13/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36+12/90 3/36+24/90 3/72+12/90 9/36+12/90 3/36+36/90 15/36+12/90 3/36+60/90 21/36+12/90 3/36+84/90