Add 40/20 and 2/45
1st number: 2 0/20, 2nd number: 2/45
40/20 + 2/45 is 92/45.
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,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Add the two like fractions:
360/180 + 8/180 = 360 + 8/180 = 368/180 - 368/180 simplified gives 92/45
- So, 40/20 + 2/45 = 92/45
In mixed form: 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+2/45 40/20+4/45 40/20+2/90 40/20+6/45 40/60+2/45 40/20+10/45 40/20+14/45