Add 75/20 and 18/56
1st number: 3 15/20, 2nd number: 18/56
75/20 + 18/56 is 57/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
75/20 = 75 × 14/20 × 14 = 1050/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
1050/280 + 90/280 = 1050 + 90/280 = 1140/280 - 1140/280 simplified gives 57/14
- So, 75/20 + 18/56 = 57/14
In mixed form: 41/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20+36/56 75/40+18/56 75/20+54/56 75/60+18/56 75/20+90/56