Add 28/60 and 63/70, Solve 28/60 + 63/70 as a fraction

Add 28/60 and 63/70

28/60 + 63/70 is 41/30.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
63/70 = 63 × 6/70 × 6 = 378/420
Add the two like fractions:
196/420 + 378/420 = 196 + 378/420 = 574/420
574/420 simplified gives 41/30
So, 28/60 + 63/70 = 41/30
In mixed form: 111/30

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