Add 63/20 and 25/28
1st number: 3 3/20, 2nd number: 25/28
63/20 + 25/28 is 283/70.
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,
25/28 = 25 × 5/28 × 5 = 125/140 - Add the two like fractions:
441/140 + 125/140 = 441 + 125/140 = 566/140 - 566/140 simplified gives 283/70
- So, 63/20 + 25/28 = 283/70
In mixed form: 43/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+50/28 63/40+25/28 63/20+25/56 63/20+75/28 63/60+25/28 63/20+25/84