Add 80/18 and 35/72
1st number: 4 8/18, 2nd number: 35/72
80/18 + 35/72 is 355/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
80/18 = 80 × 4/18 × 4 = 320/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
35/72 = 35 × 1/72 × 1 = 35/72 - Add the two like fractions:
320/72 + 35/72 = 320 + 35/72 = 355/72 - So, 80/18 + 35/72 = 355/72
In mixed form: 467/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+70/72 80/36+35/72 80/54+35/72 80/90+35/72