Add 70/30 and 42/90
1st number: 2 10/30, 2nd number: 42/90
70/30 + 42/90 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
210/90 + 42/90 = 210 + 42/90 = 252/90 - 252/90 simplified gives 14/5
- So, 70/30 + 42/90 = 14/5
In mixed form: 24/5
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