Add 84/15 and 36/70
1st number: 5 9/15, 2nd number: 36/70
84/15 + 36/70 is 214/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
84/15 = 84 × 14/15 × 14 = 1176/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
36/70 = 36 × 3/70 × 3 = 108/210 - Add the two like fractions:
1176/210 + 108/210 = 1176 + 108/210 = 1284/210 - 1284/210 simplified gives 214/35
- So, 84/15 + 36/70 = 214/35
In mixed form: 64/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+72/70 84/30+36/70 84/45+36/70 84/75+36/70