Add 18/63 and 20/16
1st number: 18/63, 2nd number: 1 4/16
18/63 + 20/16 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
18/63 = 18 × 16/63 × 16 = 288/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
20/16 = 20 × 63/16 × 63 = 1260/1008 - Add the two like fractions:
288/1008 + 1260/1008 = 288 + 1260/1008 = 1548/1008 - 1548/1008 simplified gives 43/28
- So, 18/63 + 20/16 = 43/28
In mixed form: 115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+20/16 18/63+40/16 18/63+20/32 54/63+20/16 18/63+60/16 18/63+20/48 90/63+20/16 18/63+20/80