Add 5/20 and 72/4
1st number: 5/20, 2nd number: 18 0/4
5/20 + 72/4 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
5/20 = 5 × 1/20 × 1 = 5/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
72/4 = 72 × 5/4 × 5 = 360/20 - Add the two like fractions:
5/20 + 360/20 = 5 + 360/20 = 365/20 - 365/20 simplified gives 73/4
- So, 5/20 + 72/4 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+72/4 5/40+72/4 5/20+72/8 15/20+72/4 5/60+72/4 5/20+72/12 25/20+72/4 5/20+72/20 35/20+72/4 5/20+72/28