Add 42/63 and 5/4
1st number: 42/63, 2nd number: 1 1/4
42/63 + 5/4 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
42/63 = 42 × 4/63 × 4 = 168/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
5/4 = 5 × 63/4 × 63 = 315/252 - Add the two like fractions:
168/252 + 315/252 = 168 + 315/252 = 483/252 - 483/252 simplified gives 23/12
- So, 42/63 + 5/4 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+5/4 42/63+10/4 42/63+5/8 42/63+15/4 42/63+5/12 42/63+25/4 42/63+5/20 42/63+35/4 42/63+5/28