Add 10/30 and 36/45
10/30 + 36/45 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
10/30 = 10 × 3/30 × 3 = 30/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Add the two like fractions:
30/90 + 72/90 = 30 + 72/90 = 102/90 - 102/90 simplified gives 17/15
- So, 10/30 + 36/45 = 17/15
In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+36/45 10/30+72/45 10/60+36/45 10/30+36/90 10/90+36/45 50/30+36/45 70/30+36/45