Add 63/20 and 27/7
1st number: 3 3/20, 2nd number: 3 6/7
63/20 + 27/7 is 981/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 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 7 × 20 = 140,
27/7 = 27 × 20/7 × 20 = 540/140 - Add the two like fractions:
441/140 + 540/140 = 441 + 540/140 = 981/140 - So, 63/20 + 27/7 = 981/140
In mixed form: 71/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+54/7 63/40+27/7 63/20+27/14 63/20+81/7 63/60+27/7 63/20+27/21 63/20+27/35 63/20+27/49