Add 3/30 and 54/7
1st number: 3/30, 2nd number: 7 5/7
3/30 + 54/7 is 547/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
3/30 = 3 × 7/30 × 7 = 21/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
54/7 = 54 × 30/7 × 30 = 1620/210 - Add the two like fractions:
21/210 + 1620/210 = 21 + 1620/210 = 1641/210 - 1641/210 simplified gives 547/70
- So, 3/30 + 54/7 = 547/70
In mixed form: 757/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+54/7 3/60+54/7 3/30+54/14 9/30+54/7 3/90+54/7 3/30+54/21 15/30+54/7 3/30+54/35 21/30+54/7 3/30+54/49