Add 90/16 and 80/42
1st number: 5 10/16, 2nd number: 1 38/42
90/16 + 80/42 is 1265/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
80/42 = 80 × 8/42 × 8 = 640/336 - Add the two like fractions:
1890/336 + 640/336 = 1890 + 640/336 = 2530/336 - 2530/336 simplified gives 1265/168
- So, 90/16 + 80/42 = 1265/168
In mixed form: 789/168
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