Add 30/28 and 54/30
1st number: 1 2/28, 2nd number: 1 24/30
30/28 + 54/30 is 201/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
30/28 = 30 × 15/28 × 15 = 450/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
54/30 = 54 × 14/30 × 14 = 756/420 - Add the two like fractions:
450/420 + 756/420 = 450 + 756/420 = 1206/420 - 1206/420 simplified gives 201/70
- So, 30/28 + 54/30 = 201/70
In mixed form: 261/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+54/30 30/56+54/30 30/28+54/60 90/28+54/30 30/84+54/30 30/28+54/90