Add 2/30 and 12/40
2/30 + 12/40 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,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Add the two like fractions:
8/120 + 36/120 = 8 + 36/120 = 44/120 - 44/120 simplified gives 11/30
- So, 2/30 + 12/40 = 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+12/40 2/30+24/40 2/60+12/40 2/30+12/80 6/30+12/40 2/30+36/40 2/90+12/40 10/30+12/40 2/30+60/40 14/30+12/40 2/30+84/40