Add 24/30 and 15/40
24/30 + 15/40 is 47/40.
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,
24/30 = 24 × 4/30 × 4 = 96/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Add the two like fractions:
96/120 + 45/120 = 96 + 45/120 = 141/120 - 141/120 simplified gives 47/40
- So, 24/30 + 15/40 = 47/40
In mixed form: 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30+15/40 24/30+30/40 24/60+15/40 24/30+15/80 72/30+15/40 24/30+45/40 24/90+15/40 24/30+75/40