Add 21/75 and 63/40
1st number: 21/75, 2nd number: 1 23/40
21/75 + 63/40 is 371/200.
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,
21/75 = 21 × 8/75 × 8 = 168/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
63/40 = 63 × 15/40 × 15 = 945/600 - Add the two like fractions:
168/600 + 945/600 = 168 + 945/600 = 1113/600 - 1113/600 simplified gives 371/200
- So, 21/75 + 63/40 = 371/200
In mixed form: 1171/200
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