Add 30/45 and 6/40
30/45 + 6/40 is 49/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 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 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360 - Add the two like fractions:
240/360 + 54/360 = 240 + 54/360 = 294/360 - 294/360 simplified gives 49/60
- So, 30/45 + 6/40 = 49/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+6/40 30/45+12/40 30/90+6/40 30/45+6/80 90/45+6/40 30/45+18/40 30/45+30/40 30/45+42/40