Add 20/72 and 18/7
1st number: 20/72, 2nd number: 2 4/7
20/72 + 18/7 is 359/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
18/7 = 18 × 72/7 × 72 = 1296/504 - Add the two like fractions:
140/504 + 1296/504 = 140 + 1296/504 = 1436/504 - 1436/504 simplified gives 359/126
- So, 20/72 + 18/7 = 359/126
In mixed form: 2107/126
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