Add 9/5 and 72/40
1st number: 1 4/5, 2nd number: 1 32/40
9/5 + 72/40 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
9/5 = 9 × 8/5 × 8 = 72/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Add the two like fractions:
72/40 + 72/40 = 72 + 72/40 = 144/40 - 144/40 simplified gives 18/5
- So, 9/5 + 72/40 = 18/5
In mixed form: 33/5
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