Add 40/45 and 90/40
1st number: 40/45, 2nd number: 2 10/40
40/45 + 90/40 is 113/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Add the two like fractions:
320/360 + 810/360 = 320 + 810/360 = 1130/360 - 1130/360 simplified gives 113/36
- So, 40/45 + 90/40 = 113/36
In mixed form: 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+90/40 40/90+90/40 40/45+90/80