Add 75/42 and 12/10, Solve 1 33/42 + 1 2/10 as a fraction

Add 75/42 and 12/10

1^st number: 1 33/42, 2^nd number: 1 2/10

75/42 + 12/10 is 209/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
75/42 = 75 × 5/42 × 5 = 375/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
12/10 = 12 × 21/10 × 21 = 252/210
Add the two like fractions:
375/210 + 252/210 = 375 + 252/210 = 627/210
627/210 simplified gives 209/70
So, 75/42 + 12/10 = 209/70
In mixed form: 269/70

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