Add 28/63 and 42/72
28/63 + 42/72 is 37/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
28/63 = 28 × 8/63 × 8 = 224/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Add the two like fractions:
224/504 + 294/504 = 224 + 294/504 = 518/504 - 518/504 simplified gives 37/36
- So, 28/63 + 42/72 = 37/36
In mixed form: 11/36
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