Add 42/4 and 16/20
1st number: 10 2/4, 2nd number: 16/20
42/4 + 16/20 is 113/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
16/20 = 16 × 1/20 × 1 = 16/20 - Add the two like fractions:
210/20 + 16/20 = 210 + 16/20 = 226/20 - 226/20 simplified gives 113/10
- So, 42/4 + 16/20 = 113/10
In mixed form: 113/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+16/20 42/4+32/20 42/8+16/20 42/4+16/40 42/4+48/20 42/12+16/20 42/4+16/60 42/4+80/20 42/20+16/20 42/28+16/20