Add 84/70 and 14/20
1st number: 1 14/70, 2nd number: 14/20
84/70 + 14/20 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
84/70 = 84 × 2/70 × 2 = 168/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
14/20 = 14 × 7/20 × 7 = 98/140 - Add the two like fractions:
168/140 + 98/140 = 168 + 98/140 = 266/140 - 266/140 simplified gives 19/10
- So, 84/70 + 14/20 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+28/20 84/70+14/40 84/70+42/20 84/70+14/60 84/70+70/20 84/70+98/20