Add 54/7 and 2/30
1st number: 7 5/7, 2nd number: 2/30
54/7 + 2/30 is 817/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
54/7 = 54 × 30/7 × 30 = 1620/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Add the two like fractions:
1620/210 + 14/210 = 1620 + 14/210 = 1634/210 - 1634/210 simplified gives 817/105
- So, 54/7 + 2/30 = 817/105
In mixed form: 782/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+4/30 54/14+2/30 54/7+2/60 54/7+6/30 54/21+2/30 54/7+2/90 54/7+10/30 54/35+2/30 54/7+14/30 54/49+2/30