Add 54/84 and 49/5
1st number: 54/84, 2nd number: 9 4/5
54/84 + 49/5 is 731/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
49/5 = 49 × 84/5 × 84 = 4116/420 - Add the two like fractions:
270/420 + 4116/420 = 270 + 4116/420 = 4386/420 - 4386/420 simplified gives 731/70
- So, 54/84 + 49/5 = 731/70
In mixed form: 1031/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+98/5 54/84+49/10 54/84+49/15 54/84+49/25 54/84+49/35