Add 27/60 and 45/28
1st number: 27/60, 2nd number: 1 17/28
27/60 + 45/28 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
45/28 = 45 × 15/28 × 15 = 675/420 - Add the two like fractions:
189/420 + 675/420 = 189 + 675/420 = 864/420 - 864/420 simplified gives 72/35
- So, 27/60 + 45/28 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+45/28 27/60+90/28 27/60+45/56 81/60+45/28 27/60+45/84