Add 90/56 and 20/28
1st number: 1 34/56, 2nd number: 20/28
90/56 + 20/28 is 65/28.
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,
20/28 = 20 × 2/28 × 2 = 40/56 - Add the two like fractions:
90/56 + 40/56 = 90 + 40/56 = 130/56 - 130/56 simplified gives 65/28
- So, 90/56 + 20/28 = 65/28
In mixed form: 29/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+40/28 90/56+20/56 90/56+60/28 90/56+20/84