Add 7/84 and 63/15, Solve 7/84 + 4 3/15 as a fraction

Add 7/84 and 63/15

1^st number: 7/84, 2^nd number: 4 3/15

7/84 + 63/15 is 257/60.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
63/15 = 63 × 28/15 × 28 = 1764/420
Add the two like fractions:
35/420 + 1764/420 = 35 + 1764/420 = 1799/420
1799/420 simplified gives 257/60
So, 7/84 + 63/15 = 257/60
In mixed form: 417/60

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