Add 50/4 and 25/21
1st number: 12 2/4, 2nd number: 1 4/21
50/4 + 25/21 is 575/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
50/4 = 50 × 21/4 × 21 = 1050/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
25/21 = 25 × 4/21 × 4 = 100/84 - Add the two like fractions:
1050/84 + 100/84 = 1050 + 100/84 = 1150/84 - 1150/84 simplified gives 575/42
- So, 50/4 + 25/21 = 575/42
In mixed form: 1329/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+50/21 50/8+25/21 50/4+25/42 50/4+75/21 50/12+25/21 50/4+25/63 50/20+25/21 50/28+25/21