Add 20/30 and 4/36
20/30 + 4/36 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
20/30 = 20 × 6/30 × 6 = 120/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
4/36 = 4 × 5/36 × 5 = 20/180 - Add the two like fractions:
120/180 + 20/180 = 120 + 20/180 = 140/180 - 140/180 simplified gives 7/9
- So, 20/30 + 4/36 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+4/36 20/30+8/36 20/60+4/36 20/30+4/72 60/30+4/36 20/30+12/36 20/90+4/36 20/30+20/36 20/30+28/36