Add 80/90 and 49/40
1st number: 80/90, 2nd number: 1 9/40
80/90 + 49/40 is 761/360.
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,
80/90 = 80 × 4/90 × 4 = 320/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Add the two like fractions:
320/360 + 441/360 = 320 + 441/360 = 761/360 - So, 80/90 + 49/40 = 761/360
In mixed form: 241/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+98/40 80/90+49/80