Add 45/4 and 5/30
1st number: 11 1/4, 2nd number: 5/30
45/4 + 5/30 is 137/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Add the two like fractions:
675/60 + 10/60 = 675 + 10/60 = 685/60 - 685/60 simplified gives 137/12
- So, 45/4 + 5/30 = 137/12
In mixed form: 115/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+5/30 45/4+10/30 45/8+5/30 45/4+5/60 45/4+15/30 45/12+5/30 45/4+5/90 45/4+25/30 45/20+5/30 45/4+35/30 45/28+5/30