Add 90/28 and 3/60
1st number: 3 6/28, 2nd number: 3/60
90/28 + 3/60 is 457/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
90/28 = 90 × 15/28 × 15 = 1350/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Add the two like fractions:
1350/420 + 21/420 = 1350 + 21/420 = 1371/420 - 1371/420 simplified gives 457/140
- So, 90/28 + 3/60 = 457/140
In mixed form: 337/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+6/60 90/56+3/60 90/28+9/60 90/84+3/60 90/28+15/60 90/28+21/60