Add 28/25 and 90/42, Solve 1 3/25 + 2 6/42 as a fraction

Add 28/25 and 90/42

1^st number: 1 3/25, 2^nd number: 2 6/42

28/25 + 90/42 is 571/175.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 25 × 42 = 1050,
28/25 = 28 × 42/25 × 42 = 1176/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
90/42 = 90 × 25/42 × 25 = 2250/1050
Add the two like fractions:
1176/1050 + 2250/1050 = 1176 + 2250/1050 = 3426/1050
3426/1050 simplified gives 571/175
So, 28/25 + 90/42 = 571/175
In mixed form: 346/175

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