Add 45/3 and 42/49, Solve 15 0/3 + 42/49 as a fraction

Add 45/3 and 42/49

1^st number: 15 0/3, 2^nd number: 42/49

45/3 + 42/49 is 111/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 3 × 49 = 147,
45/3 = 45 × 49/3 × 49 = 2205/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
42/49 = 42 × 3/49 × 3 = 126/147
Add the two like fractions:
2205/147 + 126/147 = 2205 + 126/147 = 2331/147
2331/147 simplified gives 111/7
So, 45/3 + 42/49 = 111/7
In mixed form: 156/7

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