Add 2/5 and 45/42, Solve 2/5 + 1 3/42 as a fraction

Add 2/5 and 45/42

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

2/5 + 45/42 is 103/70.

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,
2/5 = 2 × 42/5 × 42 = 84/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Add the two like fractions:
84/210 + 225/210 = 84 + 225/210 = 309/210
309/210 simplified gives 103/70
So, 2/5 + 45/42 = 103/70
In mixed form: 133/70

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