Add 10/28 and 60/90
10/28 + 60/90 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
10/28 = 10 × 45/28 × 45 = 450/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
60/90 = 60 × 14/90 × 14 = 840/1260 - Add the two like fractions:
450/1260 + 840/1260 = 450 + 840/1260 = 1290/1260 - 1290/1260 simplified gives 43/42
- So, 10/28 + 60/90 = 43/42
In mixed form: 11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+60/90 10/56+60/90 30/28+60/90 10/84+60/90 50/28+60/90 70/28+60/90