Add 72/90 and 18/96
72/90 + 18/96 is 79/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
72/90 = 72 × 16/90 × 16 = 1152/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
18/96 = 18 × 15/96 × 15 = 270/1440 - Add the two like fractions:
1152/1440 + 270/1440 = 1152 + 270/1440 = 1422/1440 - 1422/1440 simplified gives 79/80
- So, 72/90 + 18/96 = 79/80
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