Add 70/4 and 21/8
1st number: 17 2/4, 2nd number: 2 5/8
70/4 + 21/8 is 161/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
70/4 = 70 × 2/4 × 2 = 140/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
21/8 = 21 × 1/8 × 1 = 21/8 - Add the two like fractions:
140/8 + 21/8 = 140 + 21/8 = 161/8 - So, 70/4 + 21/8 = 161/8
In mixed form: 201/8
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