Add 9/42 and 45/48
9/42 + 45/48 is 129/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
9/42 = 9 × 8/42 × 8 = 72/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
45/48 = 45 × 7/48 × 7 = 315/336 - Add the two like fractions:
72/336 + 315/336 = 72 + 315/336 = 387/336 - 387/336 simplified gives 129/112
- So, 9/42 + 45/48 = 129/112
In mixed form: 117/112
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