Add 7/2 and 35/80
1st number: 3 1/2, 2nd number: 35/80
7/2 + 35/80 is 63/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
7/2 = 7 × 40/2 × 40 = 280/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
35/80 = 35 × 1/80 × 1 = 35/80 - Add the two like fractions:
280/80 + 35/80 = 280 + 35/80 = 315/80 - 315/80 simplified gives 63/16
- So, 7/2 + 35/80 = 63/16
In mixed form: 315/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+35/80 7/2+70/80 7/4+35/80 21/2+35/80 7/6+35/80 35/2+35/80 7/10+35/80 49/2+35/80 7/14+35/80