Add 7/5 and 72/40
1st number: 1 2/5, 2nd number: 1 32/40
7/5 + 72/40 is 16/5.
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,
7/5 = 7 × 8/5 × 8 = 56/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Add the two like fractions:
56/40 + 72/40 = 56 + 72/40 = 128/40 - 128/40 simplified gives 16/5
- So, 7/5 + 72/40 = 16/5
In mixed form: 31/5
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