Add 70/72 and 3/28
70/72 + 3/28 is 68/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
3/28 = 3 × 18/28 × 18 = 54/504 - Add the two like fractions:
490/504 + 54/504 = 490 + 54/504 = 544/504 - 544/504 simplified gives 68/63
- So, 70/72 + 3/28 = 68/63
In mixed form: 15/63
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