Add 30/4 and 56/80
1st number: 7 2/4, 2nd number: 56/80
30/4 + 56/80 is 41/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
30/4 = 30 × 20/4 × 20 = 600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
56/80 = 56 × 1/80 × 1 = 56/80 - Add the two like fractions:
600/80 + 56/80 = 600 + 56/80 = 656/80 - 656/80 simplified gives 41/5
- So, 30/4 + 56/80 = 41/5
In mixed form: 81/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+56/80 30/8+56/80 90/4+56/80 30/12+56/80 30/20+56/80 30/28+56/80