Add 72/40 and 45/32
1st number: 1 32/40, 2nd number: 1 13/32
72/40 + 45/32 is 513/160.
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,
45/32 = 45 × 5/32 × 5 = 225/160 - Add the two like fractions:
288/160 + 225/160 = 288 + 225/160 = 513/160 - So, 72/40 + 45/32 = 513/160
In mixed form: 333/160
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