Add 72/16 and 3/18
1st number: 4 8/16, 2nd number: 3/18
72/16 + 3/18 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
72/16 = 72 × 9/16 × 9 = 648/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
3/18 = 3 × 8/18 × 8 = 24/144 - Add the two like fractions:
648/144 + 24/144 = 648 + 24/144 = 672/144 - 672/144 simplified gives 14/3
- So, 72/16 + 3/18 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16+6/18 72/32+3/18 72/16+3/36 72/16+9/18 72/48+3/18 72/16+3/54 72/16+15/18 72/80+3/18 72/16+3/90 72/16+21/18