Add 21/75 and 15/8
1st number: 21/75, 2nd number: 1 7/8
21/75 + 15/8 is 431/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
21/75 = 21 × 8/75 × 8 = 168/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
15/8 = 15 × 75/8 × 75 = 1125/600 - Add the two like fractions:
168/600 + 1125/600 = 168 + 1125/600 = 1293/600 - 1293/600 simplified gives 431/200
- So, 21/75 + 15/8 = 431/200
In mixed form: 231/200
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