Add 90/12 and 16/63
1st number: 7 6/12, 2nd number: 16/63
90/12 + 16/63 is 977/126.
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,
16/63 = 16 × 4/63 × 4 = 64/252 - Add the two like fractions:
1890/252 + 64/252 = 1890 + 64/252 = 1954/252 - 1954/252 simplified gives 977/126
- So, 90/12 + 16/63 = 977/126
In mixed form: 795/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+32/63 90/24+16/63 90/12+48/63 90/36+16/63 90/12+80/63 90/60+16/63 90/84+16/63