Add 20/75 and 21/10
1st number: 20/75, 2nd number: 2 1/10
20/75 + 21/10 is 71/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
21/10 = 21 × 15/10 × 15 = 315/150 - Add the two like fractions:
40/150 + 315/150 = 40 + 315/150 = 355/150 - 355/150 simplified gives 71/30
- So, 20/75 + 21/10 = 71/30
In mixed form: 211/30
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