Add 75/72 and 81/16
1st number: 1 3/72, 2nd number: 5 1/16
75/72 + 81/16 is 293/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
75/72 = 75 × 2/72 × 2 = 150/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
81/16 = 81 × 9/16 × 9 = 729/144 - Add the two like fractions:
150/144 + 729/144 = 150 + 729/144 = 879/144 - 879/144 simplified gives 293/48
- So, 75/72 + 81/16 = 293/48
In mixed form: 65/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72+81/32 75/72+81/48 75/72+81/80