Add 28/30 and 72/5
1st number: 28/30, 2nd number: 14 2/5
28/30 + 72/5 is 46/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
72/5 = 72 × 6/5 × 6 = 432/30 - Add the two like fractions:
28/30 + 432/30 = 28 + 432/30 = 460/30 - 460/30 simplified gives 46/3
- So, 28/30 + 72/5 = 46/3
In mixed form: 151/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+72/5 28/60+72/5 28/30+72/10 84/30+72/5 28/90+72/5 28/30+72/15 28/30+72/25 28/30+72/35