Add 36/28 and 60/90
1st number: 1 8/28, 2nd number: 60/90
36/28 + 60/90 is 41/21.
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,
36/28 = 36 × 45/28 × 45 = 1620/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
60/90 = 60 × 14/90 × 14 = 840/1260 - Add the two like fractions:
1620/1260 + 840/1260 = 1620 + 840/1260 = 2460/1260 - 2460/1260 simplified gives 41/21
- So, 36/28 + 60/90 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+60/90 36/56+60/90 36/84+60/90