Add 72/90 and 16/24
72/90 + 16/24 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
72/90 = 72 × 4/90 × 4 = 288/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
16/24 = 16 × 15/24 × 15 = 240/360 - Add the two like fractions:
288/360 + 240/360 = 288 + 240/360 = 528/360 - 528/360 simplified gives 22/15
- So, 72/90 + 16/24 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+32/24 72/90+16/48 72/90+48/24 72/90+16/72 72/90+80/24