Add 90/8 and 21/72
1st number: 11 2/8, 2nd number: 21/72
90/8 + 21/72 is 277/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
810/72 + 21/72 = 810 + 21/72 = 831/72 - 831/72 simplified gives 277/24
- So, 90/8 + 21/72 = 277/24
In mixed form: 1113/24
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