Add 21/50 and 70/18
1st number: 21/50, 2nd number: 3 16/18
21/50 + 70/18 is 1939/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
70/18 = 70 × 25/18 × 25 = 1750/450 - Add the two like fractions:
189/450 + 1750/450 = 189 + 1750/450 = 1939/450 - So, 21/50 + 70/18 = 1939/450
In mixed form: 4139/450
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