Add 56/18 and 90/12
1st number: 3 2/18, 2nd number: 7 6/12
56/18 + 90/12 is 191/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
56/18 = 56 × 2/18 × 2 = 112/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
90/12 = 90 × 3/12 × 3 = 270/36 - Add the two like fractions:
112/36 + 270/36 = 112 + 270/36 = 382/36 - 382/36 simplified gives 191/18
- So, 56/18 + 90/12 = 191/18
In mixed form: 1011/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+90/12 56/18+90/24 56/54+90/12 56/18+90/36 56/90+90/12 56/18+90/60 56/18+90/84