Add 14/84 and 54/45
1st number: 14/84, 2nd number: 1 9/45
14/84 + 54/45 is 41/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
14/84 = 14 × 15/84 × 15 = 210/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
54/45 = 54 × 28/45 × 28 = 1512/1260 - Add the two like fractions:
210/1260 + 1512/1260 = 210 + 1512/1260 = 1722/1260 - 1722/1260 simplified gives 41/30
- So, 14/84 + 54/45 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+54/45 14/84+54/90 42/84+54/45 70/84+54/45 98/84+54/45