Add 21/75 and 45/18
1st number: 21/75, 2nd number: 2 9/18
21/75 + 45/18 is 139/50.
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,
45/18 = 45 × 25/18 × 25 = 1125/450 - Add the two like fractions:
126/450 + 1125/450 = 126 + 1125/450 = 1251/450 - 1251/450 simplified gives 139/50
- So, 21/75 + 45/18 = 139/50
In mixed form: 239/50
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