Add 24/30 and 45/28
1st number: 24/30, 2nd number: 1 17/28
24/30 + 45/28 is 337/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
24/30 = 24 × 14/30 × 14 = 336/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
45/28 = 45 × 15/28 × 15 = 675/420 - Add the two like fractions:
336/420 + 675/420 = 336 + 675/420 = 1011/420 - 1011/420 simplified gives 337/140
- So, 24/30 + 45/28 = 337/140
In mixed form: 257/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30+45/28 24/30+90/28 24/60+45/28 24/30+45/56 72/30+45/28 24/90+45/28 24/30+45/84