Add 80/4 and 35/28
1st number: 20 0/4, 2nd number: 1 7/28
80/4 + 35/28 is 85/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
80/4 = 80 × 7/4 × 7 = 560/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
35/28 = 35 × 1/28 × 1 = 35/28 - Add the two like fractions:
560/28 + 35/28 = 560 + 35/28 = 595/28 - 595/28 simplified gives 85/4
- So, 80/4 + 35/28 = 85/4
In mixed form: 211/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+70/28 80/8+35/28 80/4+35/56 80/12+35/28 80/4+35/84 80/20+35/28 80/28+35/28