Add 45/63 and 14/28
45/63 + 14/28 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
14/28 = 14 × 9/28 × 9 = 126/252 - Add the two like fractions:
180/252 + 126/252 = 180 + 126/252 = 306/252 - 306/252 simplified gives 17/14
- So, 45/63 + 14/28 = 17/14
In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+14/28 45/63+14/56 45/63+42/28 45/63+14/84 45/63+70/28 45/63+98/28