Add 1/28 and 16/15
1st number: 1/28, 2nd number: 1 1/15
1/28 + 16/15 is 463/420.
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,
1/28 = 1 × 15/28 × 15 = 15/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
16/15 = 16 × 28/15 × 28 = 448/420 - Add the two like fractions:
15/420 + 448/420 = 15 + 448/420 = 463/420 - So, 1/28 + 16/15 = 463/420
In mixed form: 143/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+16/15 1/28+32/15 1/56+16/15 1/28+16/30 3/28+16/15 1/28+48/15 1/84+16/15 1/28+16/45 5/28+16/15 1/28+80/15 1/28+16/75 7/28+16/15