Add 21/28 and 63/75
21/28 + 63/75 is 159/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
21/28 = 21 × 75/28 × 75 = 1575/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
63/75 = 63 × 28/75 × 28 = 1764/2100 - Add the two like fractions:
1575/2100 + 1764/2100 = 1575 + 1764/2100 = 3339/2100 - 3339/2100 simplified gives 159/100
- So, 21/28 + 63/75 = 159/100
In mixed form: 159/100
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