Add 70/30 and 90/8
1st number: 2 10/30, 2nd number: 11 2/8
70/30 + 90/8 is 163/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
90/8 = 90 × 15/8 × 15 = 1350/120 - Add the two like fractions:
280/120 + 1350/120 = 280 + 1350/120 = 1630/120 - 1630/120 simplified gives 163/12
- So, 70/30 + 90/8 = 163/12
In mixed form: 137/12
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