Add 63/28 and 4/15
1st number: 2 7/28, 2nd number: 4/15
63/28 + 4/15 is 151/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
63/28 = 63 × 15/28 × 15 = 945/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Add the two like fractions:
945/420 + 112/420 = 945 + 112/420 = 1057/420 - 1057/420 simplified gives 151/60
- So, 63/28 + 4/15 = 151/60
In mixed form: 231/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28+8/15 63/56+4/15 63/28+4/30 63/28+12/15 63/84+4/15 63/28+4/45 63/28+20/15 63/28+4/75 63/28+28/15