Add 3/63 and 12/20
3/63 + 12/20 is 68/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
12/20 = 12 × 63/20 × 63 = 756/1260 - Add the two like fractions:
60/1260 + 756/1260 = 60 + 756/1260 = 816/1260 - 816/1260 simplified gives 68/105
- So, 3/63 + 12/20 = 68/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63+12/20 3/63+24/20 3/63+12/40 9/63+12/20 3/63+36/20 3/63+12/60 15/63+12/20 3/63+60/20 21/63+12/20 3/63+84/20