Add 45/2 and 72/8
1st number: 22 1/2, 2nd number: 9 0/8
45/2 + 72/8 is 63/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
45/2 = 45 × 4/2 × 4 = 180/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
72/8 = 72 × 1/8 × 1 = 72/8 - Add the two like fractions:
180/8 + 72/8 = 180 + 72/8 = 252/8 - 252/8 simplified gives 63/2
- So, 45/2 + 72/8 = 63/2
In mixed form: 311/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+72/8 45/4+72/8 45/2+72/16 45/6+72/8 45/2+72/24 45/10+72/8 45/2+72/40 45/14+72/8 45/2+72/56