Add 14/28 and 70/45
1st number: 14/28, 2nd number: 1 25/45
14/28 + 70/45 is 37/18.
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,
14/28 = 14 × 45/28 × 45 = 630/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
70/45 = 70 × 28/45 × 28 = 1960/1260 - Add the two like fractions:
630/1260 + 1960/1260 = 630 + 1960/1260 = 2590/1260 - 2590/1260 simplified gives 37/18
- So, 14/28 + 70/45 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56+70/45 14/28+70/90 42/28+70/45 14/84+70/45 70/28+70/45 98/28+70/45