Add 12/7 and 18/60, Solve 1 5/7 + 18/60 as a fraction

Add 12/7 and 18/60

1^st number: 1 5/7, 2^nd number: 18/60

12/7 + 18/60 is 141/70.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 7 × 60 = 420,
12/7 = 12 × 60/7 × 60 = 720/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420
Add the two like fractions:
720/420 + 126/420 = 720 + 126/420 = 846/420
846/420 simplified gives 141/70
So, 12/7 + 18/60 = 141/70
In mixed form: 21/70

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