Add 72/16 and 42/12
1st number: 4 8/16, 2nd number: 3 6/12
72/16 + 42/12 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
72/16 = 72 × 3/16 × 3 = 216/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
42/12 = 42 × 4/12 × 4 = 168/48 - Add the two like fractions:
216/48 + 168/48 = 216 + 168/48 = 384/48 - 384/48 simplified gives 8/1
- So, 72/16 + 42/12 = 8/1
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