Add 56/28 and 10/40
1st number: 2 0/28, 2nd number: 10/40
56/28 + 10/40 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
56/28 = 56 × 10/28 × 10 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Add the two like fractions:
560/280 + 70/280 = 560 + 70/280 = 630/280 - 630/280 simplified gives 9/4
- So, 56/28 + 10/40 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+20/40 56/28+10/80 56/28+30/40 56/84+10/40 56/28+50/40 56/28+70/40