Add 98/40 and 60/63, Solve 2 18/40 + 60/63 as a fraction

Add 98/40 and 60/63

1^st number: 2 18/40, 2^nd number: 60/63

98/40 + 60/63 is 1429/420.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
98/40 = 98 × 63/40 × 63 = 6174/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
60/63 = 60 × 40/63 × 40 = 2400/2520
Add the two like fractions:
6174/2520 + 2400/2520 = 6174 + 2400/2520 = 8574/2520
8574/2520 simplified gives 1429/420
So, 98/40 + 60/63 = 1429/420
In mixed form: 3169/420

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