Add 32/20 and 45/72
1st number: 1 12/20, 2nd number: 45/72
32/20 + 45/72 is 89/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
32/20 = 32 × 18/20 × 18 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
576/360 + 225/360 = 576 + 225/360 = 801/360 - 801/360 simplified gives 89/40
- So, 32/20 + 45/72 = 89/40
In mixed form: 29/40
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