Add 21/25 and 42/7, Solve 21/25 + 6 0/7 as a fraction

Add 21/25 and 42/7

1^st number: 21/25, 2^nd number: 6 0/7

21/25 + 42/7 is 171/25.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
21/25 = 21 × 7/25 × 7 = 147/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
42/7 = 42 × 25/7 × 25 = 1050/175
Add the two like fractions:
147/175 + 1050/175 = 147 + 1050/175 = 1197/175
1197/175 simplified gives 171/25
So, 21/25 + 42/7 = 171/25
In mixed form: 621/25

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