Add 50/2 and 72/21
1st number: 25 0/2, 2nd number: 3 9/21
50/2 + 72/21 is 199/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
50/2 = 50 × 21/2 × 21 = 1050/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
72/21 = 72 × 2/21 × 2 = 144/42 - Add the two like fractions:
1050/42 + 144/42 = 1050 + 144/42 = 1194/42 - 1194/42 simplified gives 199/7
- So, 50/2 + 72/21 = 199/7
In mixed form: 283/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+72/21 50/2+72/42 50/6+72/21 50/2+72/63 50/10+72/21 50/14+72/21