Add 10/36 and 72/20
1st number: 10/36, 2nd number: 3 12/20
10/36 + 72/20 is 349/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
10/36 = 10 × 5/36 × 5 = 50/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
72/20 = 72 × 9/20 × 9 = 648/180 - Add the two like fractions:
50/180 + 648/180 = 50 + 648/180 = 698/180 - 698/180 simplified gives 349/90
- So, 10/36 + 72/20 = 349/90
In mixed form: 379/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/36+72/20 10/72+72/20 10/36+72/40 30/36+72/20 10/36+72/60 50/36+72/20 70/36+72/20