Add 9/15 and 4/72
9/15 + 4/72 is 59/90.
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,
9/15 = 9 × 24/15 × 24 = 216/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Add the two like fractions:
216/360 + 20/360 = 216 + 20/360 = 236/360 - 236/360 simplified gives 59/90
- So, 9/15 + 4/72 = 59/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+4/72 9/15+8/72 9/30+4/72 27/15+4/72 9/15+12/72 9/45+4/72 45/15+4/72 9/15+20/72 9/75+4/72 63/15+4/72 9/15+28/72