Add 40/10 and 45/28
1st number: 4 0/10, 2nd number: 1 17/28
40/10 + 45/28 is 157/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
40/10 = 40 × 14/10 × 14 = 560/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140 - Add the two like fractions:
560/140 + 225/140 = 560 + 225/140 = 785/140 - 785/140 simplified gives 157/28
- So, 40/10 + 45/28 = 157/28
In mixed form: 517/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+45/28 40/10+90/28 40/20+45/28 40/10+45/56 40/30+45/28 40/10+45/84 40/50+45/28 40/70+45/28