Add 30/20 and 8/4
1st number: 1 10/20, 2nd number: 2 0/4
30/20 + 8/4 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
8/4 = 8 × 5/4 × 5 = 40/20 - Add the two like fractions:
30/20 + 40/20 = 30 + 40/20 = 70/20 - 70/20 simplified gives 7/2
- So, 30/20 + 8/4 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+8/4 30/20+16/4 30/40+8/4 90/20+8/4 30/20+24/4 30/60+8/4 30/20+8/12 30/20+40/4 30/20+8/20 30/20+56/4 30/20+8/28