Add 72/20 and 36/32
1st number: 3 12/20, 2nd number: 1 4/32
72/20 + 36/32 is 189/40.
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,
36/32 = 36 × 5/32 × 5 = 180/160 - Add the two like fractions:
576/160 + 180/160 = 576 + 180/160 = 756/160 - 756/160 simplified gives 189/40
- So, 72/20 + 36/32 = 189/40
In mixed form: 429/40
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