Add 7/45 and 56/40
1st number: 7/45, 2nd number: 1 16/40
7/45 + 56/40 is 14/9.
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,
7/45 = 7 × 8/45 × 8 = 56/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
56/40 = 56 × 9/40 × 9 = 504/360 - Add the two like fractions:
56/360 + 504/360 = 56 + 504/360 = 560/360 - 560/360 simplified gives 14/9
- So, 7/45 + 56/40 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+56/40 7/90+56/40 7/45+56/80 21/45+56/40 35/45+56/40 49/45+56/40