Add 84/72 and 4/8
1st number: 1 12/72, 2nd number: 4/8
84/72 + 4/8 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
4/8 = 4 × 9/8 × 9 = 36/72 - Add the two like fractions:
84/72 + 36/72 = 84 + 36/72 = 120/72 - 120/72 simplified gives 5/3
- So, 84/72 + 4/8 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+4/16 84/72+12/8 84/72+4/24 84/72+20/8 84/72+4/40 84/72+28/8 84/72+4/56