Add 30/10 and 7/80
1st number: 3 0/10, 2nd number: 7/80
30/10 + 7/80 is 247/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
30/10 = 30 × 8/10 × 8 = 240/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
240/80 + 7/80 = 240 + 7/80 = 247/80 - So, 30/10 + 7/80 = 247/80
In mixed form: 37/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+7/80 30/10+14/80 30/20+7/80 90/10+7/80 30/10+21/80 30/10+35/80 30/50+7/80 30/10+49/80 30/70+7/80