Add 28/30 and 21/75
28/30 + 21/75 is 91/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
28/30 = 28 × 5/30 × 5 = 140/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Add the two like fractions:
140/150 + 42/150 = 140 + 42/150 = 182/150 - 182/150 simplified gives 91/75
- So, 28/30 + 21/75 = 91/75
In mixed form: 116/75
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