Add 45/28 and 1/15
1st number: 1 17/28, 2nd number: 1/15
45/28 + 1/15 is 703/420.
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,
45/28 = 45 × 15/28 × 15 = 675/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
1/15 = 1 × 28/15 × 28 = 28/420 - Add the two like fractions:
675/420 + 28/420 = 675 + 28/420 = 703/420 - So, 45/28 + 1/15 = 703/420
In mixed form: 1283/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+1/15 45/28+2/15 45/56+1/15 45/28+1/30 45/28+3/15 45/84+1/15 45/28+1/45 45/28+5/15 45/28+1/75 45/28+7/15