Add 40/5 and 54/42
1st number: 8 0/5, 2nd number: 1 12/42
40/5 + 54/42 is 65/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
40/5 = 40 × 42/5 × 42 = 1680/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Add the two like fractions:
1680/210 + 270/210 = 1680 + 270/210 = 1950/210 - 1950/210 simplified gives 65/7
- So, 40/5 + 54/42 = 65/7
In mixed form: 92/7
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