Add 7/30 and 45/4
1st number: 7/30, 2nd number: 11 1/4
7/30 + 45/4 is 689/60.
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,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
45/4 = 45 × 15/4 × 15 = 675/60 - Add the two like fractions:
14/60 + 675/60 = 14 + 675/60 = 689/60 - So, 7/30 + 45/4 = 689/60
In mixed form: 1129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+45/4 7/30+90/4 7/60+45/4 7/30+45/8 21/30+45/4 7/90+45/4 7/30+45/12 35/30+45/4 7/30+45/20 49/30+45/4 7/30+45/28