Add 75/28 and 5/15
1st number: 2 19/28, 2nd number: 5/15
75/28 + 5/15 is 253/84.
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,
75/28 = 75 × 15/28 × 15 = 1125/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
5/15 = 5 × 28/15 × 28 = 140/420 - Add the two like fractions:
1125/420 + 140/420 = 1125 + 140/420 = 1265/420 - 1265/420 simplified gives 253/84
- So, 75/28 + 5/15 = 253/84
In mixed form: 31/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/28+10/15 75/56+5/15 75/28+5/30 75/84+5/15 75/28+5/45 75/28+25/15 75/28+5/75 75/28+35/15