Add 21/72 and 32/30, Solve 21/72 + 1 2/30 as a fraction

Add 21/72 and 32/30

1^st number: 21/72, 2^nd number: 1 2/30

21/72 + 32/30 is 163/120.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360
Likewise, for the 2nd fraction, since 30 × 12 = 360,
32/30 = 32 × 12/30 × 12 = 384/360
Add the two like fractions:
105/360 + 384/360 = 105 + 384/360 = 489/360
489/360 simplified gives 163/120
So, 21/72 + 32/30 = 163/120
In mixed form: 143/120

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