Add 9/42 and 15/8
1st number: 9/42, 2nd number: 1 7/8
9/42 + 15/8 is 117/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
9/42 = 9 × 4/42 × 4 = 36/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
15/8 = 15 × 21/8 × 21 = 315/168 - Add the two like fractions:
36/168 + 315/168 = 36 + 315/168 = 351/168 - 351/168 simplified gives 117/56
- So, 9/42 + 15/8 = 117/56
In mixed form: 25/56
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