Add 25/42 and 35/63
25/42 + 35/63 is 145/126.
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,
25/42 = 25 × 3/42 × 3 = 75/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
35/63 = 35 × 2/63 × 2 = 70/126 - Add the two like fractions:
75/126 + 70/126 = 75 + 70/126 = 145/126 - So, 25/42 + 35/63 = 145/126
In mixed form: 119/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+35/63 25/42+70/63 25/84+35/63 75/42+35/63