Add 1/90 and 10/40
1/90 + 10/40 is 47/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Add the two like fractions:
4/360 + 90/360 = 4 + 90/360 = 94/360 - 94/360 simplified gives 47/180
- So, 1/90 + 10/40 = 47/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+10/40 1/90+20/40 1/90+10/80 3/90+10/40 1/90+30/40 5/90+10/40 1/90+50/40 7/90+10/40 1/90+70/40