Add 5/30 and 8/40
5/30 + 8/40 is 11/30.
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,
5/30 = 5 × 4/30 × 4 = 20/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120 - Add the two like fractions:
20/120 + 24/120 = 20 + 24/120 = 44/120 - 44/120 simplified gives 11/30
- So, 5/30 + 8/40 = 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+8/40 5/30+16/40 5/60+8/40 5/30+8/80 15/30+8/40 5/30+24/40 5/90+8/40 25/30+8/40 35/30+8/40 5/30+56/40