Add 84/15 and 5/45
1st number: 5 9/15, 2nd number: 5/45
84/15 + 5/45 is 257/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
84/15 = 84 × 3/15 × 3 = 252/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
5/45 = 5 × 1/45 × 1 = 5/45 - Add the two like fractions:
252/45 + 5/45 = 252 + 5/45 = 257/45 - So, 84/15 + 5/45 = 257/45
In mixed form: 532/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+10/45 84/30+5/45 84/15+5/90 84/15+15/45 84/45+5/45 84/15+25/45 84/75+5/45 84/15+35/45