Add 45/30 and 8/4
1st number: 1 15/30, 2nd number: 2 0/4
45/30 + 8/4 is 7/2.
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,
8/4 = 8 × 15/4 × 15 = 120/60 - Add the two like fractions:
90/60 + 120/60 = 90 + 120/60 = 210/60 - 210/60 simplified gives 7/2
- So, 45/30 + 8/4 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+8/4 45/30+16/4 45/60+8/4 45/30+24/4 45/90+8/4 45/30+8/12 45/30+40/4 45/30+8/20 45/30+56/4 45/30+8/28