Add 8/5 and 21/98, Solve 1 3/5 + 21/98 as a fraction

Add 8/5 and 21/98

1^st number: 1 3/5, 2^nd number: 21/98

8/5 + 21/98 is 127/70.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 5 × 98 = 490,
8/5 = 8 × 98/5 × 98 = 784/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490
Add the two like fractions:
784/490 + 105/490 = 784 + 105/490 = 889/490
889/490 simplified gives 127/70
So, 8/5 + 21/98 = 127/70
In mixed form: 157/70

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