Add 7/4 and 56/45
1st number: 1 3/4, 2nd number: 1 11/45
7/4 + 56/45 is 539/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Add the two like fractions:
315/180 + 224/180 = 315 + 224/180 = 539/180 - So, 7/4 + 56/45 = 539/180
In mixed form: 2179/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4+56/45 7/8+56/45 7/4+56/90 21/4+56/45 7/12+56/45 35/4+56/45 7/20+56/45 49/4+56/45 7/28+56/45