Add 30/40 and 70/35
1st number: 30/40, 2nd number: 2 0/35
30/40 + 70/35 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
30/40 = 30 × 7/40 × 7 = 210/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
70/35 = 70 × 8/35 × 8 = 560/280 - Add the two like fractions:
210/280 + 560/280 = 210 + 560/280 = 770/280 - 770/280 simplified gives 11/4
- So, 30/40 + 70/35 = 11/4
In mixed form: 23/4
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