Add 18/63 and 25/42
18/63 + 25/42 is 37/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
25/42 = 25 × 3/42 × 3 = 75/126 - Add the two like fractions:
36/126 + 75/126 = 36 + 75/126 = 111/126 - 111/126 simplified gives 37/42
- So, 18/63 + 25/42 = 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+25/42 18/63+50/42 18/63+25/84 54/63+25/42 18/63+75/42 90/63+25/42