Add 16/15 and 80/72
1st number: 1 1/15, 2nd number: 1 8/72
16/15 + 80/72 is 98/45.
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,
16/15 = 16 × 24/15 × 24 = 384/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
80/72 = 80 × 5/72 × 5 = 400/360 - Add the two like fractions:
384/360 + 400/360 = 384 + 400/360 = 784/360 - 784/360 simplified gives 98/45
- So, 16/15 + 80/72 = 98/45
In mixed form: 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+80/72 16/30+80/72 48/15+80/72 16/45+80/72 80/15+80/72 16/75+80/72