Add 12/63 and 28/49
12/63 + 28/49 is 16/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
12/63 = 12 × 7/63 × 7 = 84/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
28/49 = 28 × 9/49 × 9 = 252/441 - Add the two like fractions:
84/441 + 252/441 = 84 + 252/441 = 336/441 - 336/441 simplified gives 16/21
- So, 12/63 + 28/49 = 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63+28/49 12/63+56/49 12/63+28/98 36/63+28/49 12/63+84/49 60/63+28/49 84/63+28/49