Add 27/42 and 4/21
2742 + 421 is 56.
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,
2742 = 27 × 142 × 1 = 2742 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
421 = 4 × 221 × 2 = 842 - Add the two like fractions:
2742 + 842 = 27 + 842 = 3542 - 35/42 simplified gives 56
- So, 27/42 + 4/21 = 5/6
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