Add 8/12 and 4/40
8/12 + 4/40 is 23/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
8/12 = 8 × 10/12 × 10 = 80/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Add the two like fractions:
80/120 + 12/120 = 80 + 12/120 = 92/120 - 92/120 simplified gives 23/30
- So, 8/12 + 4/40 = 23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+4/40 8/12+8/40 8/24+4/40 8/12+4/80 24/12+4/40 8/12+12/40 8/36+4/40 40/12+4/40 8/12+20/40 8/60+4/40 56/12+4/40 8/12+28/40 8/84+4/40