Add 4/8 and 9/42
4/8 + 9/42 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
4/8 = 4 × 21/8 × 21 = 84/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
9/42 = 9 × 4/42 × 4 = 36/168 - Add the two like fractions:
84/168 + 36/168 = 84 + 36/168 = 120/168 - 120/168 simplified gives 5/7
- So, 4/8 + 9/42 = 5/7
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