Add 3/2 and 81/63
1st number: 1 1/2, 2nd number: 1 18/63
3/2 + 81/63 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
3/2 = 3 × 63/2 × 63 = 189/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126 - Add the two like fractions:
189/126 + 162/126 = 189 + 162/126 = 351/126 - 351/126 simplified gives 39/14
- So, 3/2 + 81/63 = 39/14
In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+81/63 3/4+81/63 9/2+81/63 3/6+81/63 15/2+81/63 3/10+81/63 21/2+81/63 3/14+81/63