Add 35/28 and 10/30
1st number: 1 7/28, 2nd number: 10/30
35/28 + 10/30 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
35/28 = 35 × 15/28 × 15 = 525/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
10/30 = 10 × 14/30 × 14 = 140/420 - Add the two like fractions:
525/420 + 140/420 = 525 + 140/420 = 665/420 - 665/420 simplified gives 19/12
- So, 35/28 + 10/30 = 19/12
In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+10/30 35/28+20/30 35/56+10/30 35/28+10/60 35/84+10/30 35/28+10/90 35/28+50/30 35/28+70/30