Add 80/15 and 10/72
1st number: 5 5/15, 2nd number: 10/72
80/15 + 10/72 is 197/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
80/15 = 80 × 24/15 × 24 = 1920/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Add the two like fractions:
1920/360 + 50/360 = 1920 + 50/360 = 1970/360 - 1970/360 simplified gives 197/36
- So, 80/15 + 10/72 = 197/36
In mixed form: 517/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+20/72 80/30+10/72 80/15+30/72 80/45+10/72 80/15+50/72 80/75+10/72 80/15+70/72