Add 16/40 and 4/12
16/40 + 4/12 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
4/12 = 4 × 10/12 × 10 = 40/120 - Add the two like fractions:
48/120 + 40/120 = 48 + 40/120 = 88/120 - 88/120 simplified gives 11/15
- So, 16/40 + 4/12 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+4/12 16/40+8/12 16/80+4/12 16/40+4/24 48/40+4/12 16/40+4/36 80/40+4/12 16/40+20/12 16/40+4/60 16/40+28/12 16/40+4/84