Add 63/49 and 28/40
1st number: 1 14/49, 2nd number: 28/40
63/49 + 28/40 is 139/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
63/49 = 63 × 40/49 × 40 = 2520/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
28/40 = 28 × 49/40 × 49 = 1372/1960 - Add the two like fractions:
2520/1960 + 1372/1960 = 2520 + 1372/1960 = 3892/1960 - 3892/1960 simplified gives 139/70
- So, 63/49 + 28/40 = 139/70
In mixed form: 169/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/49+56/40 63/98+28/40 63/49+28/80 63/49+84/40