Add 3/50 and 72/42
1st number: 3/50, 2nd number: 1 30/42
3/50 + 72/42 is 621/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
3/50 = 3 × 21/50 × 21 = 63/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050 - Add the two like fractions:
63/1050 + 1800/1050 = 63 + 1800/1050 = 1863/1050 - 1863/1050 simplified gives 621/350
- So, 3/50 + 72/42 = 621/350
In mixed form: 1271/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/50+72/42 3/50+72/84 9/50+72/42 15/50+72/42 21/50+72/42