Add 81/12 and 1/63
1st number: 6 9/12, 2nd number: 1/63
81/12 + 1/63 is 1705/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
81/12 = 81 × 21/12 × 21 = 1701/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
1/63 = 1 × 4/63 × 4 = 4/252 - Add the two like fractions:
1701/252 + 4/252 = 1701 + 4/252 = 1705/252 - So, 81/12 + 1/63 = 1705/252
In mixed form: 6193/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+2/63 81/24+1/63 81/12+3/63 81/36+1/63 81/12+5/63 81/60+1/63 81/12+7/63 81/84+1/63