Add 70/40 and 12/30
1st number: 1 30/40, 2nd number: 12/30
70/40 + 12/30 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
12/30 = 12 × 4/30 × 4 = 48/120 - Add the two like fractions:
210/120 + 48/120 = 210 + 48/120 = 258/120 - 258/120 simplified gives 43/20
- So, 70/40 + 12/30 = 43/20
In mixed form: 23/20
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