Add 7/20 and 5/36
7/20 + 5/36 is 22/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
5/36 = 5 × 5/36 × 5 = 25/180 - Add the two like fractions:
63/180 + 25/180 = 63 + 25/180 = 88/180 - 88/180 simplified gives 22/45
- So, 7/20 + 5/36 = 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+5/36 7/20+10/36 7/40+5/36 7/20+5/72 21/20+5/36 7/20+15/36 7/60+5/36 35/20+5/36 7/20+25/36 49/20+5/36 7/20+35/36