Add 98/72 and 90/21, Solve 1 26/72 + 4 6/21 as a fraction

Add 98/72 and 90/21

1^st number: 1 26/72, 2^nd number: 4 6/21

98/72 + 90/21 is 1423/252.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
98/72 = 98 × 7/72 × 7 = 686/504
Likewise, for the 2nd fraction, since 21 × 24 = 504,
90/21 = 90 × 24/21 × 24 = 2160/504
Add the two like fractions:
686/504 + 2160/504 = 686 + 2160/504 = 2846/504
2846/504 simplified gives 1423/252
So, 98/72 + 90/21 = 1423/252
In mixed form: 5163/252

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