Add 14/70 and 42/20
1st number: 14/70, 2nd number: 2 2/20
14/70 + 42/20 is 23/10.
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,
14/70 = 14 × 2/70 × 2 = 28/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
28/140 + 294/140 = 28 + 294/140 = 322/140 - 322/140 simplified gives 23/10
- So, 14/70 + 42/20 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70+42/20 14/70+84/20 14/70+42/40 42/70+42/20 14/70+42/60 98/70+42/20