Add 72/64 and 30/15
1st number: 1 8/64, 2nd number: 2 0/15
72/64 + 30/15 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 15 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
72/64 = 72 × 15/64 × 15 = 1080/960 - Likewise, for the 2nd fraction, since 15 × 64 = 960,
30/15 = 30 × 64/15 × 64 = 1920/960 - Add the two like fractions:
1080/960 + 1920/960 = 1080 + 1920/960 = 3000/960 - 3000/960 simplified gives 25/8
- So, 72/64 + 30/15 = 25/8
In mixed form: 31/8
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