Add 72/15 and 90/64
1st number: 4 12/15, 2nd number: 1 26/64
72/15 + 90/64 is 993/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 15 × 64 = 960,
72/15 = 72 × 64/15 × 64 = 4608/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
90/64 = 90 × 15/64 × 15 = 1350/960 - Add the two like fractions:
4608/960 + 1350/960 = 4608 + 1350/960 = 5958/960 - 5958/960 simplified gives 993/160
- So, 72/15 + 90/64 = 993/160
In mixed form: 633/160
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