Add 90/75 and 4/42, Solve 1 15/75 + 4/42 as a fraction

Add 90/75 and 4/42

1^st number: 1 15/75, 2^nd number: 4/42

90/75 + 4/42 is 136/105.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
4/42 = 4 × 25/42 × 25 = 100/1050
Add the two like fractions:
1260/1050 + 100/1050 = 1260 + 100/1050 = 1360/1050
1360/1050 simplified gives 136/105
So, 90/75 + 4/42 = 136/105
In mixed form: 131/105

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