Add 8/45 and 49/40
1st number: 8/45, 2nd number: 1 9/40
8/45 + 49/40 is 101/72.
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,
8/45 = 8 × 8/45 × 8 = 64/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Add the two like fractions:
64/360 + 441/360 = 64 + 441/360 = 505/360 - 505/360 simplified gives 101/72
- So, 8/45 + 49/40 = 101/72
In mixed form: 129/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+49/40 8/45+98/40 8/90+49/40 8/45+49/80 24/45+49/40 40/45+49/40 56/45+49/40