Add 7/20 and 72/4
1st number: 7/20, 2nd number: 18 0/4
7/20 + 72/4 is 367/20.
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,
7/20 = 7 × 1/20 × 1 = 7/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
72/4 = 72 × 5/4 × 5 = 360/20 - Add the two like fractions:
7/20 + 360/20 = 7 + 360/20 = 367/20 - So, 7/20 + 72/4 = 367/20
In mixed form: 187/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+72/4 7/40+72/4 7/20+72/8 21/20+72/4 7/60+72/4 7/20+72/12 35/20+72/4 7/20+72/20 49/20+72/4 7/20+72/28