Add 72/40 and 2/5
1st number: 1 32/40, 2nd number: 2/5
72/40 + 2/5 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Add the two like fractions:
72/40 + 16/40 = 72 + 16/40 = 88/40 - 88/40 simplified gives 11/5
- So, 72/40 + 2/5 = 11/5
In mixed form: 21/5
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