Add 60/63 and 70/72, Solve 60/63 + 70/72 as a fraction

Add 60/63 and 70/72

60/63 + 70/72 is 485/252.

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,
60/63 = 60 × 8/63 × 8 = 480/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504
Add the two like fractions:
480/504 + 490/504 = 480 + 490/504 = 970/504
970/504 simplified gives 485/252
So, 60/63 + 70/72 = 485/252
In mixed form: 1233/252

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