Add 63/40 and 35/56
1st number: 1 23/40, 2nd number: 35/56
63/40 + 35/56 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
35/56 = 35 × 5/56 × 5 = 175/280 - Add the two like fractions:
441/280 + 175/280 = 441 + 175/280 = 616/280 - 616/280 simplified gives 11/5
- So, 63/40 + 35/56 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+70/56 63/80+35/56