Add 21/18 and 70/48
1st number: 1 3/18, 2nd number: 1 22/48
21/18 + 70/48 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
21/18 = 21 × 8/18 × 8 = 168/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
70/48 = 70 × 3/48 × 3 = 210/144 - Add the two like fractions:
168/144 + 210/144 = 168 + 210/144 = 378/144 - 378/144 simplified gives 21/8
- So, 21/18 + 70/48 = 21/8
In mixed form: 25/8
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