Add 7/2 and 72/8
1st number: 3 1/2, 2nd number: 9 0/8
7/2 + 72/8 is 25/2.
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,
7/2 = 7 × 4/2 × 4 = 28/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
72/8 = 72 × 1/8 × 1 = 72/8 - Add the two like fractions:
28/8 + 72/8 = 28 + 72/8 = 100/8 - 100/8 simplified gives 25/2
- So, 7/2 + 72/8 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+72/8 7/4+72/8 7/2+72/16 21/2+72/8 7/6+72/8 7/2+72/24 35/2+72/8 7/10+72/8 7/2+72/40 49/2+72/8 7/14+72/8 7/2+72/56