Add 63/75 and 21/40
63/75 + 21/40 is 273/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
63/75 = 63 × 8/75 × 8 = 504/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
21/40 = 21 × 15/40 × 15 = 315/600 - Add the two like fractions:
504/600 + 315/600 = 504 + 315/600 = 819/600 - 819/600 simplified gives 273/200
- So, 63/75 + 21/40 = 273/200
In mixed form: 173/200
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