Add 70/40 and 90/25
1st number: 1 30/40, 2nd number: 3 15/25
70/40 + 90/25 is 107/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
90/25 = 90 × 8/25 × 8 = 720/200 - Add the two like fractions:
350/200 + 720/200 = 350 + 720/200 = 1070/200 - 1070/200 simplified gives 107/20
- So, 70/40 + 90/25 = 107/20
In mixed form: 57/20
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