Add 40/3 and 90/28
1st number: 13 1/3, 2nd number: 3 6/28
40/3 + 90/28 is 695/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
40/3 = 40 × 28/3 × 28 = 1120/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
90/28 = 90 × 3/28 × 3 = 270/84 - Add the two like fractions:
1120/84 + 270/84 = 1120 + 270/84 = 1390/84 - 1390/84 simplified gives 695/42
- So, 40/3 + 90/28 = 695/42
In mixed form: 1623/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+90/28 40/6+90/28 40/3+90/56 40/9+90/28 40/3+90/84 40/15+90/28 40/21+90/28