Add 84/32 and 75/72
1st number: 2 20/32, 2nd number: 1 3/72
84/32 + 75/72 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 72 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
84/32 = 84 × 9/32 × 9 = 756/288 - Likewise, for the 2nd fraction, since 72 × 4 = 288,
75/72 = 75 × 4/72 × 4 = 300/288 - Add the two like fractions:
756/288 + 300/288 = 756 + 300/288 = 1056/288 - 1056/288 simplified gives 11/3
- So, 84/32 + 75/72 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/64+75/72 84/96+75/72