Add 45/30 and 75/15
1st number: 1 15/30, 2nd number: 5 0/15
45/30 + 75/15 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
75/15 = 75 × 2/15 × 2 = 150/30 - Add the two like fractions:
45/30 + 150/30 = 45 + 150/30 = 195/30 - 195/30 simplified gives 13/2
- So, 45/30 + 75/15 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+75/15 45/60+75/15 45/30+75/30 45/90+75/15 45/30+75/45