Add 70/54 and 24/80
1st number: 1 16/54, 2nd number: 24/80
70/54 + 24/80 is 431/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
70/54 = 70 × 40/54 × 40 = 2800/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
24/80 = 24 × 27/80 × 27 = 648/2160 - Add the two like fractions:
2800/2160 + 648/2160 = 2800 + 648/2160 = 3448/2160 - 3448/2160 simplified gives 431/270
- So, 70/54 + 24/80 = 431/270
In mixed form: 1161/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+48/80 70/54+72/80