Add 5/15 and 84/40
1st number: 5/15, 2nd number: 2 4/40
5/15 + 84/40 is 73/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
5/15 = 5 × 8/15 × 8 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Add the two like fractions:
40/120 + 252/120 = 40 + 252/120 = 292/120 - 292/120 simplified gives 73/30
- So, 5/15 + 84/40 = 73/30
In mixed form: 213/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+84/40 5/30+84/40 5/15+84/80 5/45+84/40 25/15+84/40 5/75+84/40 35/15+84/40