Add 24/20 and 75/21, Solve 1 4/20 + 3 12/21 as a fraction

Add 24/20 and 75/21

1^st number: 1 4/20, 2^nd number: 3 12/21

24/20 + 75/21 is 167/35.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
24/20 = 24 × 21/20 × 21 = 504/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
75/21 = 75 × 20/21 × 20 = 1500/420
Add the two like fractions:
504/420 + 1500/420 = 504 + 1500/420 = 2004/420
2004/420 simplified gives 167/35
So, 24/20 + 75/21 = 167/35
In mixed form: 427/35

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