Add 42/2 and 81/7
1st number: 21 0/2, 2nd number: 11 4/7
42/2 + 81/7 is 228/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
42/2 = 42 × 7/2 × 7 = 294/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
81/7 = 81 × 2/7 × 2 = 162/14 - Add the two like fractions:
294/14 + 162/14 = 294 + 162/14 = 456/14 - 456/14 simplified gives 228/7
- So, 42/2 + 81/7 = 228/7
In mixed form: 324/7
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