Add 25/4 and 20/30
1st number: 6 1/4, 2nd number: 20/30
25/4 + 20/30 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
25/4 = 25 × 15/4 × 15 = 375/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Add the two like fractions:
375/60 + 40/60 = 375 + 40/60 = 415/60 - 415/60 simplified gives 83/12
- So, 25/4 + 20/30 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+20/30 25/4+40/30 25/8+20/30 25/4+20/60 75/4+20/30 25/4+60/30 25/12+20/30 25/4+20/90 25/20+20/30 25/28+20/30