Add 4/90 and 56/12
1st number: 4/90, 2nd number: 4 8/12
4/90 + 56/12 is 212/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
56/12 = 56 × 15/12 × 15 = 840/180 - Add the two like fractions:
8/180 + 840/180 = 8 + 840/180 = 848/180 - 848/180 simplified gives 212/45
- So, 4/90 + 56/12 = 212/45
In mixed form: 432/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+56/12 4/90+56/24 12/90+56/12 4/90+56/36 20/90+56/12 4/90+56/60 28/90+56/12 4/90+56/84