Add 40/21 and 90/98
1st number: 1 19/21, 2nd number: 90/98
40/21 + 90/98 is 415/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
40/21 = 40 × 14/21 × 14 = 560/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
90/98 = 90 × 3/98 × 3 = 270/294 - Add the two like fractions:
560/294 + 270/294 = 560 + 270/294 = 830/294 - 830/294 simplified gives 415/147
- So, 40/21 + 90/98 = 415/147
In mixed form: 2121/147
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