Add 2/20 and 10/45
2/20 + 10/45 is 29/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180 - Add the two like fractions:
18/180 + 40/180 = 18 + 40/180 = 58/180 - 58/180 simplified gives 29/90
- So, 2/20 + 10/45 = 29/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+10/45 2/20+20/45 2/40+10/45 2/20+10/90 6/20+10/45 2/20+30/45 2/60+10/45 10/20+10/45 2/20+50/45 14/20+10/45 2/20+70/45