Add 72/40 and 2/16
1st number: 1 32/40, 2nd number: 2/16
72/40 + 2/16 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
72/40 = 72 × 2/40 × 2 = 144/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
2/16 = 2 × 5/16 × 5 = 10/80 - Add the two like fractions:
144/80 + 10/80 = 144 + 10/80 = 154/80 - 154/80 simplified gives 77/40
- So, 72/40 + 2/16 = 77/40
In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+4/16 72/80+2/16 72/40+2/32 72/40+6/16 72/40+2/48 72/40+10/16 72/40+2/80 72/40+14/16