Add 56/4 and 12/90
1st number: 14 0/4, 2nd number: 12/90
56/4 + 12/90 is 212/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
56/4 = 56 × 45/4 × 45 = 2520/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
2520/180 + 24/180 = 2520 + 24/180 = 2544/180 - 2544/180 simplified gives 212/15
- So, 56/4 + 12/90 = 212/15
In mixed form: 142/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+24/90 56/8+12/90 56/4+36/90 56/12+12/90 56/4+60/90 56/20+12/90 56/4+84/90 56/28+12/90