Add 20/25 and 72/7
1st number: 20/25, 2nd number: 10 2/7
20/25 + 72/7 is 388/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
20/25 = 20 × 7/25 × 7 = 140/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
72/7 = 72 × 25/7 × 25 = 1800/175 - Add the two like fractions:
140/175 + 1800/175 = 140 + 1800/175 = 1940/175 - 1940/175 simplified gives 388/35
- So, 20/25 + 72/7 = 388/35
In mixed form: 113/35
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