Add 28/40 and 16/30
28/40 + 16/30 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
16/30 = 16 × 4/30 × 4 = 64/120 - Add the two like fractions:
84/120 + 64/120 = 84 + 64/120 = 148/120 - 148/120 simplified gives 37/30
- So, 28/40 + 16/30 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+16/30 28/40+32/30 28/80+16/30 28/40+16/60 84/40+16/30 28/40+48/30 28/40+16/90 28/40+80/30