Add 3/28 and 72/60
1st number: 3/28, 2nd number: 1 12/60
3/28 + 72/60 is 183/140.
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,
3/28 = 3 × 15/28 × 15 = 45/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
45/420 + 504/420 = 45 + 504/420 = 549/420 - 549/420 simplified gives 183/140
- So, 3/28 + 72/60 = 183/140
In mixed form: 143/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28+72/60 3/56+72/60 9/28+72/60 3/84+72/60 15/28+72/60 21/28+72/60