Add 84/2 and 3/45
1st number: 42 0/2, 2nd number: 3/45
84/2 + 3/45 is 631/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
84/2 = 84 × 45/2 × 45 = 3780/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Add the two like fractions:
3780/90 + 6/90 = 3780 + 6/90 = 3786/90 - 3786/90 simplified gives 631/15
- So, 84/2 + 3/45 = 631/15
In mixed form: 421/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+6/45 84/4+3/45 84/2+3/90 84/2+9/45 84/6+3/45 84/2+15/45 84/10+3/45 84/2+21/45 84/14+3/45