Add 63/80 and 10/28
63/80 + 10/28 is 641/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 28 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560 - Likewise, for the 2nd fraction, since 28 × 20 = 560,
10/28 = 10 × 20/28 × 20 = 200/560 - Add the two like fractions:
441/560 + 200/560 = 441 + 200/560 = 641/560 - So, 63/80 + 10/28 = 641/560
In mixed form: 181/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+20/28 63/80+10/56 63/80+30/28 63/80+10/84 63/80+50/28 63/80+70/28