Add 45/4 and 8/30
1st number: 11 1/4, 2nd number: 8/30
45/4 + 8/30 is 691/60.
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,
8/30 = 8 × 2/30 × 2 = 16/60 - Add the two like fractions:
675/60 + 16/60 = 675 + 16/60 = 691/60 - So, 45/4 + 8/30 = 691/60
In mixed form: 1131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+8/30 45/4+16/30 45/8+8/30 45/4+8/60 45/4+24/30 45/12+8/30 45/4+8/90 45/4+40/30 45/20+8/30 45/4+56/30 45/28+8/30