Add 7/2 and 1/90
1st number: 3 1/2, 2nd number: 1/90
7/2 + 1/90 is 158/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
7/2 = 7 × 45/2 × 45 = 315/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Add the two like fractions:
315/90 + 1/90 = 315 + 1/90 = 316/90 - 316/90 simplified gives 158/45
- So, 7/2 + 1/90 = 158/45
In mixed form: 323/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+1/90 7/2+2/90 7/4+1/90 21/2+1/90 7/2+3/90 7/6+1/90 35/2+1/90 7/2+5/90 7/10+1/90 49/2+1/90 7/2+7/90 7/14+1/90