Add 72/18 and 21/50
1st number: 4 0/18, 2nd number: 21/50
72/18 + 21/50 is 221/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
72/18 = 72 × 25/18 × 25 = 1800/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
1800/450 + 189/450 = 1800 + 189/450 = 1989/450 - 1989/450 simplified gives 221/50
- So, 72/18 + 21/50 = 221/50
In mixed form: 421/50
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