Add 20/3 and 72/40, Solve 6 2/3 + 1 32/40 as a fraction

Add 20/3 and 72/40

1^st number: 6 2/3, 2^nd number: 1 32/40

20/3 + 72/40 is 127/15.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 3 × 40 = 120,
20/3 = 20 × 40/3 × 40 = 800/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120
Add the two like fractions:
800/120 + 216/120 = 800 + 216/120 = 1016/120
1016/120 simplified gives 127/15
So, 20/3 + 72/40 = 127/15
In mixed form: 87/15

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