Add 42/70 and 72/49, Solve 42/70 + 1 23/49 as a fraction

Add 42/70 and 72/49

1^st number: 42/70, 2^nd number: 1 23/49

42/70 + 72/49 is 507/245.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
42/70 = 42 × 7/70 × 7 = 294/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
72/49 = 72 × 10/49 × 10 = 720/490
Add the two like fractions:
294/490 + 720/490 = 294 + 720/490 = 1014/490
1014/490 simplified gives 507/245
So, 42/70 + 72/49 = 507/245
In mixed form: 217/245

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