Add 16/4 and 28/72
1st number: 4 0/4, 2nd number: 28/72
16/4 + 28/72 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
16/4 = 16 × 18/4 × 18 = 288/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
288/72 + 28/72 = 288 + 28/72 = 316/72 - 316/72 simplified gives 79/18
- So, 16/4 + 28/72 = 79/18
In mixed form: 47/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4+28/72 16/4+56/72 16/8+28/72 48/4+28/72 16/4+84/72 16/12+28/72 80/4+28/72 16/20+28/72 16/28+28/72