Add 84/14 and 54/45
1st number: 6 0/14, 2nd number: 1 9/45
84/14 + 54/45 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
84/14 = 84 × 45/14 × 45 = 3780/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
54/45 = 54 × 14/45 × 14 = 756/630 - Add the two like fractions:
3780/630 + 756/630 = 3780 + 756/630 = 4536/630 - 4536/630 simplified gives 36/5
- So, 84/14 + 54/45 = 36/5
In mixed form: 71/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+54/45 84/14+54/90 84/42+54/45 84/70+54/45 84/98+54/45