Add 9/42 and 72/16
1st number: 9/42, 2nd number: 4 8/16
9/42 + 72/16 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 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 16 × 21 = 336,
72/16 = 72 × 21/16 × 21 = 1512/336 - Add the two like fractions:
72/336 + 1512/336 = 72 + 1512/336 = 1584/336 - 1584/336 simplified gives 33/7
- So, 9/42 + 72/16 = 33/7
In mixed form: 45/7
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