Add 3/30 and 12/36
3/30 + 12/36 is 13/30.
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,
3/30 = 3 × 6/30 × 6 = 18/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Add the two like fractions:
18/180 + 60/180 = 18 + 60/180 = 78/180 - 78/180 simplified gives 13/30
- So, 3/30 + 12/36 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+12/36 3/30+24/36 3/60+12/36 3/30+12/72 9/30+12/36 3/90+12/36 15/30+12/36 3/30+60/36 21/30+12/36 3/30+84/36