Add 40/63 and 20/18
1st number: 40/63, 2nd number: 1 2/18
40/63 + 20/18 is 110/63.
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,
40/63 = 40 × 2/63 × 2 = 80/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Add the two like fractions:
80/126 + 140/126 = 80 + 140/126 = 220/126 - 220/126 simplified gives 110/63
- So, 40/63 + 20/18 = 110/63
In mixed form: 147/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+20/18 40/63+40/18 40/63+20/36 40/63+60/18 40/63+20/54 40/63+20/90