Add 72/40 and 18/32
1st number: 1 32/40, 2nd number: 18/32
72/40 + 18/32 is 189/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 40 × 4 = 160,
72/40 = 72 × 4/40 × 4 = 288/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Add the two like fractions:
288/160 + 90/160 = 288 + 90/160 = 378/160 - 378/160 simplified gives 189/80
- So, 72/40 + 18/32 = 189/80
In mixed form: 229/80
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