Add 4/15 and 45/4
1st number: 4/15, 2nd number: 11 1/4
4/15 + 45/4 is 691/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Add the two like fractions:
16/60 + 675/60 = 16 + 675/60 = 691/60 - So, 4/15 + 45/4 = 691/60
In mixed form: 1131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+45/4 4/15+90/4 4/30+45/4 4/15+45/8 12/15+45/4 4/45+45/4 4/15+45/12 20/15+45/4 4/75+45/4 4/15+45/20 28/15+45/4 4/15+45/28