Add 40/90 and 10/28
40/90 + 10/28 is 101/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
40/90 = 40 × 14/90 × 14 = 560/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
10/28 = 10 × 45/28 × 45 = 450/1260 - Add the two like fractions:
560/1260 + 450/1260 = 560 + 450/1260 = 1010/1260 - 1010/1260 simplified gives 101/126
- So, 40/90 + 10/28 = 101/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+10/28 40/90+20/28 40/90+10/56 40/90+30/28 40/90+10/84 40/90+50/28 40/90+70/28