Add 45/30 and 45/4
1st number: 1 15/30, 2nd number: 11 1/4
45/30 + 45/4 is 51/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Add the two like fractions:
90/60 + 675/60 = 90 + 675/60 = 765/60 - 765/60 simplified gives 51/4
- So, 45/30 + 45/4 = 51/4
In mixed form: 123/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+45/4 45/30+90/4 45/60+45/4 45/30+45/8 45/90+45/4 45/30+45/12 45/30+45/20 45/30+45/28