Add 21/30 and 24/36
21/30 + 24/36 is 41/30.
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,
21/30 = 21 × 6/30 × 6 = 126/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
24/36 = 24 × 5/36 × 5 = 120/180 - Add the two like fractions:
126/180 + 120/180 = 126 + 120/180 = 246/180 - 246/180 simplified gives 41/30
- So, 21/30 + 24/36 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30+24/36 21/30+48/36 21/60+24/36 21/30+24/72 63/30+24/36 21/30+72/36 21/90+24/36