Add 40/60 and 75/45
1st number: 40/60, 2nd number: 1 30/45
40/60 + 75/45 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
40/60 = 40 × 3/60 × 3 = 120/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
75/45 = 75 × 4/45 × 4 = 300/180 - Add the two like fractions:
120/180 + 300/180 = 120 + 300/180 = 420/180 - 420/180 simplified gives 7/3
- So, 40/60 + 75/45 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+75/45 40/60+75/90