Add 56/12 and 3/90
1st number: 4 8/12, 2nd number: 3/90
56/12 + 3/90 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
56/12 = 56 × 15/12 × 15 = 840/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
840/180 + 6/180 = 840 + 6/180 = 846/180 - 846/180 simplified gives 47/10
- So, 56/12 + 3/90 = 47/10
In mixed form: 47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+6/90 56/24+3/90 56/12+9/90 56/36+3/90 56/12+15/90 56/60+3/90 56/12+21/90 56/84+3/90