Add 72/16 and 1/42
1st number: 4 8/16, 2nd number: 1/42
72/16 + 1/42 is 95/21.
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,
72/16 = 72 × 21/16 × 21 = 1512/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
1/42 = 1 × 8/42 × 8 = 8/336 - Add the two like fractions:
1512/336 + 8/336 = 1512 + 8/336 = 1520/336 - 1520/336 simplified gives 95/21
- So, 72/16 + 1/42 = 95/21
In mixed form: 411/21
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