Add 20/25 and 70/40
1st number: 20/25, 2nd number: 1 30/40
20/25 + 70/40 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Add the two like fractions:
160/200 + 350/200 = 160 + 350/200 = 510/200 - 510/200 simplified gives 51/20
- So, 20/25 + 70/40 = 51/20
In mixed form: 211/20
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