Add 60/70 and 70/60, Solve 60/70 + 1 10/60 as a fraction

Add 60/70 and 70/60

1^st number: 60/70, 2^nd number: 1 10/60

60/70 + 70/60 is 85/42.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
60/70 = 60 × 6/70 × 6 = 360/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420
Add the two like fractions:
360/420 + 490/420 = 360 + 490/420 = 850/420
850/420 simplified gives 85/42
So, 60/70 + 70/60 = 85/42
In mixed form: 21/42

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