Add 90/56 and 45/28
1st number: 1 34/56, 2nd number: 1 17/28
90/56 + 45/28 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
45/28 = 45 × 2/28 × 2 = 90/56 - Add the two like fractions:
90/56 + 90/56 = 90 + 90/56 = 180/56 - 180/56 simplified gives 45/14
- So, 90/56 + 45/28 = 45/14
In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+90/28 90/56+45/56 90/56+45/84