Add 54/84 and 10/7
1st number: 54/84, 2nd number: 1 3/7
54/84 + 10/7 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
10/7 = 10 × 12/7 × 12 = 120/84 - Add the two like fractions:
54/84 + 120/84 = 54 + 120/84 = 174/84 - 174/84 simplified gives 29/14
- So, 54/84 + 10/7 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+20/7 54/84+10/14 54/84+30/7 54/84+10/21 54/84+50/7 54/84+10/35 54/84+70/7 54/84+10/49