Add 30/10 and 28/72
1st number: 3 0/10, 2nd number: 28/72
30/10 + 28/72 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
30/10 = 30 × 36/10 × 36 = 1080/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Add the two like fractions:
1080/360 + 140/360 = 1080 + 140/360 = 1220/360 - 1220/360 simplified gives 61/18
- So, 30/10 + 28/72 = 61/18
In mixed form: 37/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+28/72 30/10+56/72 30/20+28/72 90/10+28/72 30/10+84/72 30/50+28/72 30/70+28/72