Add 2/30 and 9/40
2/30 + 9/40 is 7/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Add the two like fractions:
8/120 + 27/120 = 8 + 27/120 = 35/120 - 35/120 simplified gives 7/24
- So, 2/30 + 9/40 = 7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+9/40 2/30+18/40 2/60+9/40 2/30+9/80 6/30+9/40 2/30+27/40 2/90+9/40 10/30+9/40 2/30+45/40 14/30+9/40 2/30+63/40