Add 30/45 and 8/10
30/45 + 8/10 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Add the two like fractions:
60/90 + 72/90 = 60 + 72/90 = 132/90 - 132/90 simplified gives 22/15
- So, 30/45 + 8/10 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+8/10 30/45+16/10 30/90+8/10 30/45+8/20 90/45+8/10 30/45+24/10 30/45+8/30 30/45+40/10 30/45+8/50 30/45+56/10 30/45+8/70