Add 25/4 and 5/15
1st number: 6 1/4, 2nd number: 5/15
25/4 + 5/15 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 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 15 × 4 = 60,
5/15 = 5 × 4/15 × 4 = 20/60 - Add the two like fractions:
375/60 + 20/60 = 375 + 20/60 = 395/60 - 395/60 simplified gives 79/12
- So, 25/4 + 5/15 = 79/12
In mixed form: 67/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+5/15 25/4+10/15 25/8+5/15 25/4+5/30 75/4+5/15 25/12+5/15 25/4+5/45 25/4+25/15 25/20+5/15 25/4+5/75 25/4+35/15 25/28+5/15