Add 72/2 and 2/90
1st number: 36 0/2, 2nd number: 2/90
72/2 + 2/90 is 1621/45.
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,
72/2 = 72 × 45/2 × 45 = 3240/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Add the two like fractions:
3240/90 + 2/90 = 3240 + 2/90 = 3242/90 - 3242/90 simplified gives 1621/45
- So, 72/2 + 2/90 = 1621/45
In mixed form: 361/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+4/90 72/4+2/90 72/2+6/90 72/6+2/90 72/2+10/90 72/10+2/90 72/2+14/90 72/14+2/90