Add 84/15 and 42/4
1st number: 5 9/15, 2nd number: 10 2/4
84/15 + 42/4 is 161/10.
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,
84/15 = 84 × 4/15 × 4 = 336/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Add the two like fractions:
336/60 + 630/60 = 336 + 630/60 = 966/60 - 966/60 simplified gives 161/10
- So, 84/15 + 42/4 = 161/10
In mixed form: 161/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+84/4 84/30+42/4 84/15+42/8 84/45+42/4 84/15+42/12 84/75+42/4 84/15+42/20 84/15+42/28