Add 42/48 and 90/7, Solve 42/48 + 12 6/7 as a fraction

Add 42/48 and 90/7

1^st number: 42/48, 2^nd number: 12 6/7

42/48 + 90/7 is 769/56.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336
Likewise, for the 2nd fraction, since 7 × 48 = 336,
90/7 = 90 × 48/7 × 48 = 4320/336
Add the two like fractions:
294/336 + 4320/336 = 294 + 4320/336 = 4614/336
4614/336 simplified gives 769/56
So, 42/48 + 90/7 = 769/56
In mixed form: 1341/56

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