Add 28/18 and 63/8
1st number: 1 10/18, 2nd number: 7 7/8
28/18 + 63/8 is 679/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
28/18 = 28 × 4/18 × 4 = 112/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Add the two like fractions:
112/72 + 567/72 = 112 + 567/72 = 679/72 - So, 28/18 + 63/8 = 679/72
In mixed form: 931/72
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