Add 84/80 and 49/54
1st number: 1 4/80, 2nd number: 49/54
84/80 + 49/54 is 1057/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
84/80 = 84 × 27/80 × 27 = 2268/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
49/54 = 49 × 40/54 × 40 = 1960/2160 - Add the two like fractions:
2268/2160 + 1960/2160 = 2268 + 1960/2160 = 4228/2160 - 4228/2160 simplified gives 1057/540
- So, 84/80 + 49/54 = 1057/540
In mixed form: 1517/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+98/54