Add 24/28 and 18/30
24/28 + 18/30 is 51/35.
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,
24/28 = 24 × 15/28 × 15 = 360/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Add the two like fractions:
360/420 + 252/420 = 360 + 252/420 = 612/420 - 612/420 simplified gives 51/35
- So, 24/28 + 18/30 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28+18/30 24/28+36/30 24/56+18/30 24/28+18/60 72/28+18/30 24/28+54/30 24/84+18/30 24/28+18/90 24/28+90/30