Add 72/20 and 12/32
1st number: 3 12/20, 2nd number: 12/32
72/20 + 12/32 is 159/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
72/20 = 72 × 8/20 × 8 = 576/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
12/32 = 12 × 5/32 × 5 = 60/160 - Add the two like fractions:
576/160 + 60/160 = 576 + 60/160 = 636/160 - 636/160 simplified gives 159/40
- So, 72/20 + 12/32 = 159/40
In mixed form: 339/40
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