Add 30/45 and 10/8
1st number: 30/45, 2nd number: 1 2/8
30/45 + 10/8 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
10/8 = 10 × 45/8 × 45 = 450/360 - Add the two like fractions:
240/360 + 450/360 = 240 + 450/360 = 690/360 - 690/360 simplified gives 23/12
- So, 30/45 + 10/8 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+10/8 30/45+20/8 30/90+10/8 30/45+10/16 90/45+10/8 30/45+30/8 30/45+10/24 30/45+50/8 30/45+10/40 30/45+70/8 30/45+10/56