Add 30/7 and 15/60, Solve 4 2/7 + 15/60 as a fraction

Add 30/7 and 15/60

1^st number: 4 2/7, 2^nd number: 15/60

30/7 + 15/60 is 127/28.

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,
30/7 = 30 × 60/7 × 60 = 1800/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420
Add the two like fractions:
1800/420 + 105/420 = 1800 + 105/420 = 1905/420
1905/420 simplified gives 127/28
So, 30/7 + 15/60 = 127/28
In mixed form: 415/28

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