Add 7/30 and 7/24
7/30 + 7/24 is 21/40.
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,
7/30 = 7 × 4/30 × 4 = 28/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Add the two like fractions:
28/120 + 35/120 = 28 + 35/120 = 63/120 - 63/120 simplified gives 21/40
- So, 7/30 + 7/24 = 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+7/24 7/30+14/24 7/60+7/24 7/30+7/48 21/30+7/24 7/30+21/24 7/90+7/24 7/30+7/72 35/30+7/24 7/30+35/24 49/30+7/24 7/30+49/24