Add 42/16 and 21/54
1st number: 2 10/16, 2nd number: 21/54
42/16 + 21/54 is 217/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
42/16 = 42 × 27/16 × 27 = 1134/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Add the two like fractions:
1134/432 + 168/432 = 1134 + 168/432 = 1302/432 - 1302/432 simplified gives 217/72
- So, 42/16 + 21/54 = 217/72
In mixed form: 31/72
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