Add 48/42 and 15/63
1st number: 1 6/42, 2nd number: 15/63
48/42 + 15/63 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
48/42 = 48 × 3/42 × 3 = 144/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Add the two like fractions:
144/126 + 30/126 = 144 + 30/126 = 174/126 - 174/126 simplified gives 29/21
- So, 48/42 + 15/63 = 29/21
In mixed form: 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+15/63 48/42+30/63 48/84+15/63 48/42+45/63 48/42+75/63