Add 7/30 and 24/40
7/30 + 24/40 is 5/6.
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,
7/30 = 7 × 4/30 × 4 = 28/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Add the two like fractions:
28/120 + 72/120 = 28 + 72/120 = 100/120 - 100/120 simplified gives 5/6
- So, 7/30 + 24/40 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+24/40 7/30+48/40 7/60+24/40 7/30+24/80 21/30+24/40 7/30+72/40 7/90+24/40 35/30+24/40 49/30+24/40