Add 40/60 and 45/30
1st number: 40/60, 2nd number: 1 15/30
40/60 + 45/30 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
40/60 = 40 × 1/60 × 1 = 40/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Add the two like fractions:
40/60 + 90/60 = 40 + 90/60 = 130/60 - 130/60 simplified gives 13/6
- So, 40/60 + 45/30 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+45/30 40/60+90/30 40/60+45/60 40/60+45/90