Add 90/12 and 8/63
1st number: 7 6/12, 2nd number: 8/63
90/12 + 8/63 is 961/126.
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,
90/12 = 90 × 21/12 × 21 = 1890/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
8/63 = 8 × 4/63 × 4 = 32/252 - Add the two like fractions:
1890/252 + 32/252 = 1890 + 32/252 = 1922/252 - 1922/252 simplified gives 961/126
- So, 90/12 + 8/63 = 961/126
In mixed form: 779/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+16/63 90/24+8/63 90/12+24/63 90/36+8/63 90/12+40/63 90/60+8/63 90/12+56/63 90/84+8/63