Add 21/84 and 75/50
1st number: 21/84, 2nd number: 1 25/50
21/84 + 75/50 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
21/84 = 21 × 25/84 × 25 = 525/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
75/50 = 75 × 42/50 × 42 = 3150/2100 - Add the two like fractions:
525/2100 + 3150/2100 = 525 + 3150/2100 = 3675/2100 - 3675/2100 simplified gives 7/4
- So, 21/84 + 75/50 = 7/4
In mixed form: 13/4
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