Add 54/8 and 30/84
1st number: 6 6/8, 2nd number: 30/84
54/8 + 30/84 is 199/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
54/8 = 54 × 21/8 × 21 = 1134/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
30/84 = 30 × 2/84 × 2 = 60/168 - Add the two like fractions:
1134/168 + 60/168 = 1134 + 60/168 = 1194/168 - 1194/168 simplified gives 199/28
- So, 54/8 + 30/84 = 199/28
In mixed form: 73/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+60/84 54/16+30/84 54/8+90/84 54/24+30/84 54/40+30/84 54/56+30/84