Add 28/2 and 70/40
1st number: 14 0/2, 2nd number: 1 30/40
28/2 + 70/40 is 63/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
28/2 = 28 × 20/2 × 20 = 560/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Add the two like fractions:
560/40 + 70/40 = 560 + 70/40 = 630/40 - 630/40 simplified gives 63/4
- So, 28/2 + 70/40 = 63/4
In mixed form: 153/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+70/40 28/4+70/40 28/2+70/80 84/2+70/40 28/6+70/40 28/10+70/40 28/14+70/40