Add 21/50 and 90/28
1st number: 21/50, 2nd number: 3 6/28
21/50 + 90/28 is 636/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
21/50 = 21 × 14/50 × 14 = 294/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
90/28 = 90 × 25/28 × 25 = 2250/700 - Add the two like fractions:
294/700 + 2250/700 = 294 + 2250/700 = 2544/700 - 2544/700 simplified gives 636/175
- So, 21/50 + 90/28 = 636/175
In mixed form: 3111/175
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