Add 42/12 and 16/63
1st number: 3 6/12, 2nd number: 16/63
42/12 + 16/63 is 473/126.
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,
42/12 = 42 × 21/12 × 21 = 882/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
16/63 = 16 × 4/63 × 4 = 64/252 - Add the two like fractions:
882/252 + 64/252 = 882 + 64/252 = 946/252 - 946/252 simplified gives 473/126
- So, 42/12 + 16/63 = 473/126
In mixed form: 395/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+16/63 42/12+32/63 42/24+16/63 42/12+48/63 42/36+16/63 42/12+80/63 42/60+16/63 42/84+16/63