Add 54/84 and 36/10
1st number: 54/84, 2nd number: 3 6/10
54/84 + 36/10 is 297/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 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 10 × 42 = 420,
36/10 = 36 × 42/10 × 42 = 1512/420 - Add the two like fractions:
270/420 + 1512/420 = 270 + 1512/420 = 1782/420 - 1782/420 simplified gives 297/70
- So, 54/84 + 36/10 = 297/70
In mixed form: 417/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+72/10 54/84+36/20 54/84+36/30 54/84+36/50 54/84+36/70