Add 21/30 and 2/24
21/30 + 2/24 is 47/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
21/30 = 21 × 4/30 × 4 = 84/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
2/24 = 2 × 5/24 × 5 = 10/120 - Add the two like fractions:
84/120 + 10/120 = 84 + 10/120 = 94/120 - 94/120 simplified gives 47/60
- So, 21/30 + 2/24 = 47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30+2/24 21/30+4/24 21/60+2/24 21/30+2/48 63/30+2/24 21/30+6/24 21/90+2/24 21/30+2/72 21/30+10/24 21/30+14/24