Add 54/42 and 36/5, Solve 1 12/42 + 7 1/5 as a fraction

Add 54/42 and 36/5

1^st number: 1 12/42, 2^nd number: 7 1/5

54/42 + 36/5 is 297/35.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
36/5 = 36 × 42/5 × 42 = 1512/210
Add the two like fractions:
270/210 + 1512/210 = 270 + 1512/210 = 1782/210
1782/210 simplified gives 297/35
So, 54/42 + 36/5 = 297/35
In mixed form: 817/35

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