Add 20/25 and 56/42
1st number: 20/25, 2nd number: 1 14/42
20/25 + 56/42 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
20/25 = 20 × 42/25 × 42 = 840/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
56/42 = 56 × 25/42 × 25 = 1400/1050 - Add the two like fractions:
840/1050 + 1400/1050 = 840 + 1400/1050 = 2240/1050 - 2240/1050 simplified gives 32/15
- So, 20/25 + 56/42 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+56/42 20/50+56/42 20/25+56/84 60/25+56/42 20/75+56/42