Add 8/5 and 9/42, Solve 1 3/5 + 9/42 as a fraction

Add 8/5 and 9/42

1^st number: 1 3/5, 2^nd number: 9/42

8/5 + 9/42 is 127/70.

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,
8/5 = 8 × 42/5 × 42 = 336/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210
Add the two like fractions:
336/210 + 45/210 = 336 + 45/210 = 381/210
381/210 simplified gives 127/70
So, 8/5 + 9/42 = 127/70
In mixed form: 157/70

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