Add 15/42 and 54/16
1st number: 15/42, 2nd number: 3 6/16
15/42 + 54/16 is 209/56.
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,
15/42 = 15 × 8/42 × 8 = 120/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
54/16 = 54 × 21/16 × 21 = 1134/336 - Add the two like fractions:
120/336 + 1134/336 = 120 + 1134/336 = 1254/336 - 1254/336 simplified gives 209/56
- So, 15/42 + 54/16 = 209/56
In mixed form: 341/56
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