Add 98/90 and 40/70
1st number: 1 8/90, 2nd number: 40/70
98/90 + 40/70 is 523/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
40/70 = 40 × 9/70 × 9 = 360/630 - Add the two like fractions:
686/630 + 360/630 = 686 + 360/630 = 1046/630 - 1046/630 simplified gives 523/315
- So, 98/90 + 40/70 = 523/315
In mixed form: 1208/315
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