Add 20/63 and 36/18
1st number: 20/63, 2nd number: 2 0/18
20/63 + 36/18 is 146/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126 - Add the two like fractions:
40/126 + 252/126 = 40 + 252/126 = 292/126 - 292/126 simplified gives 146/63
- So, 20/63 + 36/18 = 146/63
In mixed form: 220/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63+36/18 20/63+72/18 60/63+36/18 20/63+36/54 20/63+36/90