Add 75/12 and 56/90
1st number: 6 3/12, 2nd number: 56/90
75/12 + 56/90 is 1237/180.
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,
75/12 = 75 × 15/12 × 15 = 1125/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
56/90 = 56 × 2/90 × 2 = 112/180 - Add the two like fractions:
1125/180 + 112/180 = 1125 + 112/180 = 1237/180 - So, 75/12 + 56/90 = 1237/180
In mixed form: 6157/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/24+56/90 75/36+56/90 75/60+56/90 75/84+56/90