Add 10/63 and 90/12
1st number: 10/63, 2nd number: 7 6/12
10/63 + 90/12 is 965/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
10/63 = 10 × 4/63 × 4 = 40/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
90/12 = 90 × 21/12 × 21 = 1890/252 - Add the two like fractions:
40/252 + 1890/252 = 40 + 1890/252 = 1930/252 - 1930/252 simplified gives 965/126
- So, 10/63 + 90/12 = 965/126
In mixed form: 783/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63+90/12 10/63+90/24 30/63+90/12 10/63+90/36 50/63+90/12 10/63+90/60 70/63+90/12 10/63+90/84