Add 45/21 and 10/72
1st number: 2 3/21, 2nd number: 10/72
45/21 + 10/72 is 575/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
45/21 = 45 × 24/21 × 24 = 1080/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Add the two like fractions:
1080/504 + 70/504 = 1080 + 70/504 = 1150/504 - 1150/504 simplified gives 575/252
- So, 45/21 + 10/72 = 575/252
In mixed form: 271/252
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