Add 42/20 and 14/10
1st number: 2 2/20, 2nd number: 1 4/10
42/20 + 14/10 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
14/10 = 14 × 2/10 × 2 = 28/20 - Add the two like fractions:
42/20 + 28/20 = 42 + 28/20 = 70/20 - 70/20 simplified gives 7/2
- So, 42/20 + 14/10 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+14/10 42/20+28/10 42/40+14/10 42/20+14/20 42/20+42/10 42/60+14/10 42/20+14/30 42/20+70/10 42/20+14/50 42/20+98/10 42/20+14/70