Add 84/18 and 16/72
1st number: 4 12/18, 2nd number: 16/72
84/18 + 16/72 is 44/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
84/18 = 84 × 4/18 × 4 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
16/72 = 16 × 1/72 × 1 = 16/72 - Add the two like fractions:
336/72 + 16/72 = 336 + 16/72 = 352/72 - 352/72 simplified gives 44/9
- So, 84/18 + 16/72 = 44/9
In mixed form: 48/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+32/72 84/36+16/72 84/18+48/72 84/54+16/72 84/18+80/72 84/90+16/72