Add 54/84 and 24/30
54/84 + 24/30 is 101/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 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 30 × 14 = 420,
24/30 = 24 × 14/30 × 14 = 336/420 - Add the two like fractions:
270/420 + 336/420 = 270 + 336/420 = 606/420 - 606/420 simplified gives 101/70
- So, 54/84 + 24/30 = 101/70
In mixed form: 131/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+48/30 54/84+24/60 54/84+72/30 54/84+24/90