Add 72/30 and 48/9
1st number: 2 12/30, 2nd number: 5 3/9
72/30 + 48/9 is 116/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
48/9 = 48 × 10/9 × 10 = 480/90 - Add the two like fractions:
216/90 + 480/90 = 216 + 480/90 = 696/90 - 696/90 simplified gives 116/15
- So, 72/30 + 48/9 = 116/15
In mixed form: 711/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+96/9 72/60+48/9 72/30+48/18 72/90+48/9 72/30+48/27 72/30+48/45 72/30+48/63