Add 63/42 and 25/4
1st number: 1 21/42, 2nd number: 6 1/4
63/42 + 25/4 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
63/42 = 63 × 2/42 × 2 = 126/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
25/4 = 25 × 21/4 × 21 = 525/84 - Add the two like fractions:
126/84 + 525/84 = 126 + 525/84 = 651/84 - 651/84 simplified gives 31/4
- So, 63/42 + 25/4 = 31/4
In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+50/4 63/84+25/4 63/42+25/8 63/42+75/4 63/42+25/12 63/42+25/20 63/42+25/28