Add 30/20 and 30/4
1st number: 1 10/20, 2nd number: 7 2/4
30/20 + 30/4 is 9/1.
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,
30/4 = 30 × 5/4 × 5 = 150/20 - Add the two like fractions:
30/20 + 150/20 = 30 + 150/20 = 180/20 - 180/20 simplified gives 9/1
- So, 30/20 + 30/4 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+30/4 30/20+60/4 30/40+30/4 30/20+30/8 90/20+30/4 30/20+90/4 30/60+30/4 30/20+30/12 30/20+30/20 30/20+30/28