Add 14/21 and 72/40, Solve 14/21 + 1 32/40 as a fraction

Add 14/21 and 72/40

1^st number: 14/21, 2^nd number: 1 32/40

14/21 + 72/40 is 37/15.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 21 × 40 = 840,
14/21 = 14 × 40/21 × 40 = 560/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
72/40 = 72 × 21/40 × 21 = 1512/840
Add the two like fractions:
560/840 + 1512/840 = 560 + 1512/840 = 2072/840
2072/840 simplified gives 37/15
So, 14/21 + 72/40 = 37/15
In mixed form: 27/15

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