Add 9/12 and 90/56
1st number: 9/12, 2nd number: 1 34/56
9/12 + 90/56 is 33/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
9/12 = 9 × 14/12 × 14 = 126/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Add the two like fractions:
126/168 + 270/168 = 126 + 270/168 = 396/168 - 396/168 simplified gives 33/14
- So, 9/12 + 90/56 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+90/56 9/24+90/56 27/12+90/56 9/36+90/56 45/12+90/56 9/60+90/56 63/12+90/56 9/84+90/56