Add 63/30 and 72/28
1st number: 2 3/30, 2nd number: 2 16/28
63/30 + 72/28 is 327/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
63/30 = 63 × 14/30 × 14 = 882/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Add the two like fractions:
882/420 + 1080/420 = 882 + 1080/420 = 1962/420 - 1962/420 simplified gives 327/70
- So, 63/30 + 72/28 = 327/70
In mixed form: 447/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+72/28 63/30+72/56 63/90+72/28 63/30+72/84