Add 20/4 and 16/18
1st number: 5 0/4, 2nd number: 16/18
20/4 + 16/18 is 53/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
20/4 = 20 × 9/4 × 9 = 180/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
16/18 = 16 × 2/18 × 2 = 32/36 - Add the two like fractions:
180/36 + 32/36 = 180 + 32/36 = 212/36 - 212/36 simplified gives 53/9
- So, 20/4 + 16/18 = 53/9
In mixed form: 58/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+16/18 20/4+32/18 20/8+16/18 20/4+16/36 60/4+16/18 20/4+48/18 20/12+16/18 20/4+16/54 20/4+80/18 20/4+16/90 20/28+16/18