Add 8/30 and 1/40
8/30 + 1/40 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,
8/30 = 8 × 4/30 × 4 = 32/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Add the two like fractions:
32/120 + 3/120 = 32 + 3/120 = 35/120 - 35/120 simplified gives 7/24
- So, 8/30 + 1/40 = 7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+1/40 8/30+2/40 8/60+1/40 8/30+1/80 24/30+1/40 8/30+3/40 8/90+1/40 40/30+1/40 8/30+5/40 56/30+1/40 8/30+7/40