Add 45/30 and 56/8
1st number: 1 15/30, 2nd number: 7 0/8
45/30 + 56/8 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
56/8 = 56 × 15/8 × 15 = 840/120 - Add the two like fractions:
180/120 + 840/120 = 180 + 840/120 = 1020/120 - 1020/120 simplified gives 17/2
- So, 45/30 + 56/8 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+56/8 45/60+56/8 45/30+56/16 45/90+56/8 45/30+56/24 45/30+56/40