Add 50/42 and 54/21
1st number: 1 8/42, 2nd number: 2 12/21
50/42 + 54/21 is 79/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
50/42 = 50 × 1/42 × 1 = 50/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
54/21 = 54 × 2/21 × 2 = 108/42 - Add the two like fractions:
50/42 + 108/42 = 50 + 108/42 = 158/42 - 158/42 simplified gives 79/21
- So, 50/42 + 54/21 = 79/21
In mixed form: 316/21
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