Add 8/25 and 63/42
1st number: 8/25, 2nd number: 1 21/42
8/25 + 63/42 is 91/50.
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,
8/25 = 8 × 42/25 × 42 = 336/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
63/42 = 63 × 25/42 × 25 = 1575/1050 - Add the two like fractions:
336/1050 + 1575/1050 = 336 + 1575/1050 = 1911/1050 - 1911/1050 simplified gives 91/50
- So, 8/25 + 63/42 = 91/50
In mixed form: 141/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25+63/42 8/50+63/42 8/25+63/84 24/25+63/42 8/75+63/42 40/25+63/42 56/25+63/42