Add 36/60 and 90/21, Solve 36/60 + 4 6/21 as a fraction

Add 36/60 and 90/21

1^st number: 36/60, 2^nd number: 4 6/21

36/60 + 90/21 is 171/35.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
36/60 = 36 × 7/60 × 7 = 252/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
90/21 = 90 × 20/21 × 20 = 1800/420
Add the two like fractions:
252/420 + 1800/420 = 252 + 1800/420 = 2052/420
2052/420 simplified gives 171/35
So, 36/60 + 90/21 = 171/35
In mixed form: 431/35

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