Add 21/75 and 70/18
1st number: 21/75, 2nd number: 3 16/18
21/75 + 70/18 is 938/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
21/75 = 21 × 6/75 × 6 = 126/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
70/18 = 70 × 25/18 × 25 = 1750/450 - Add the two like fractions:
126/450 + 1750/450 = 126 + 1750/450 = 1876/450 - 1876/450 simplified gives 938/225
- So, 21/75 + 70/18 = 938/225
In mixed form: 438/225
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