Add 15/40 and 72/10
1st number: 15/40, 2nd number: 7 2/10
15/40 + 72/10 is 303/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
72/10 = 72 × 4/10 × 4 = 288/40 - Add the two like fractions:
15/40 + 288/40 = 15 + 288/40 = 303/40 - So, 15/40 + 72/10 = 303/40
In mixed form: 723/40
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