Add 30/42 and 21/50
30/42 + 21/50 is 397/350.
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,
30/42 = 30 × 25/42 × 25 = 750/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Add the two like fractions:
750/1050 + 441/1050 = 750 + 441/1050 = 1191/1050 - 1191/1050 simplified gives 397/350
- So, 30/42 + 21/50 = 397/350
In mixed form: 147/350
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