Add 72/9 and 21/50
1st number: 8 0/9, 2nd number: 21/50
72/9 + 21/50 is 421/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
72/9 = 72 × 50/9 × 50 = 3600/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
3600/450 + 189/450 = 3600 + 189/450 = 3789/450 - 3789/450 simplified gives 421/50
- So, 72/9 + 21/50 = 421/50
In mixed form: 821/50
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