Add 63/40 and 80/49
1st number: 1 23/40, 2nd number: 1 31/49
63/40 + 80/49 is 6287/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
63/40 = 63 × 49/40 × 49 = 3087/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
80/49 = 80 × 40/49 × 40 = 3200/1960 - Add the two like fractions:
3087/1960 + 3200/1960 = 3087 + 3200/1960 = 6287/1960 - So, 63/40 + 80/49 = 6287/1960
In mixed form: 3407/1960
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+80/49 63/40+80/98