Add 42/20 and 7/10
1st number: 2 2/20, 2nd number: 7/10
42/20 + 7/10 is 14/5.
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,
7/10 = 7 × 2/10 × 2 = 14/20 - Add the two like fractions:
42/20 + 14/20 = 42 + 14/20 = 56/20 - 56/20 simplified gives 14/5
- So, 42/20 + 7/10 = 14/5
In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+7/10 42/20+14/10 42/40+7/10 42/20+7/20 42/20+21/10 42/60+7/10 42/20+7/30 42/20+35/10 42/20+7/50 42/20+49/10 42/20+7/70