Add 7/8 and 21/36
7/8 + 21/36 is 35/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
21/36 = 21 × 2/36 × 2 = 42/72 - Add the two like fractions:
63/72 + 42/72 = 63 + 42/72 = 105/72 - 105/72 simplified gives 35/24
- So, 7/8 + 21/36 = 35/24
In mixed form: 111/24
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