Add 63/20 and 27/28
1st number: 3 3/20, 2nd number: 27/28
63/20 + 27/28 is 144/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
63/20 = 63 × 7/20 × 7 = 441/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
27/28 = 27 × 5/28 × 5 = 135/140 - Add the two like fractions:
441/140 + 135/140 = 441 + 135/140 = 576/140 - 576/140 simplified gives 144/35
- So, 63/20 + 27/28 = 144/35
In mixed form: 44/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+54/28 63/40+27/28 63/20+27/56 63/20+81/28 63/60+27/28 63/20+27/84