Add 40/36 and 12/90
1st number: 1 4/36, 2nd number: 12/90
40/36 + 12/90 is 56/45.
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,
40/36 = 40 × 5/36 × 5 = 200/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
200/180 + 24/180 = 200 + 24/180 = 224/180 - 224/180 simplified gives 56/45
- So, 40/36 + 12/90 = 56/45
In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36+12/90 40/36+24/90 40/72+12/90 40/36+36/90 40/36+60/90 40/36+84/90