Add 42/6 and 70/40, Solve 7 0/6 + 1 30/40 as a fraction

Add 42/6 and 70/40

1^st number: 7 0/6, 2^nd number: 1 30/40

42/6 + 70/40 is 35/4.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
42/6 = 42 × 20/6 × 20 = 840/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120
Add the two like fractions:
840/120 + 210/120 = 840 + 210/120 = 1050/120
1050/120 simplified gives 35/4
So, 42/6 + 70/40 = 35/4
In mixed form: 83/4

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