Add 72/42 and 21/50
1st number: 1 30/42, 2nd number: 21/50
72/42 + 21/50 is 747/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Add the two like fractions:
1800/1050 + 441/1050 = 1800 + 441/1050 = 2241/1050 - 2241/1050 simplified gives 747/350
- So, 72/42 + 21/50 = 747/350
In mixed form: 247/350
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