Add 20/54 and 42/16
1st number: 20/54, 2nd number: 2 10/16
20/54 + 42/16 is 647/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
20/54 = 20 × 8/54 × 8 = 160/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
42/16 = 42 × 27/16 × 27 = 1134/432 - Add the two like fractions:
160/432 + 1134/432 = 160 + 1134/432 = 1294/432 - 1294/432 simplified gives 647/216
- So, 20/54 + 42/16 = 647/216
In mixed form: 2215/216
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