Add 30/28 and 14/45
1st number: 1 2/28, 2nd number: 14/45
30/28 + 14/45 is 871/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
30/28 = 30 × 45/28 × 45 = 1350/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
14/45 = 14 × 28/45 × 28 = 392/1260 - Add the two like fractions:
1350/1260 + 392/1260 = 1350 + 392/1260 = 1742/1260 - 1742/1260 simplified gives 871/630
- So, 30/28 + 14/45 = 871/630
In mixed form: 1241/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+14/45 30/28+28/45 30/56+14/45 30/28+14/90 90/28+14/45 30/28+42/45 30/84+14/45 30/28+70/45 30/28+98/45