Answers

Add 98/90 and 4/40

1^st number: 1 8/90, 2^nd number: 4/40

98/90 + 4/40 is 107/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   98/90 = 98 × 4/90 × 4 = 392/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   4/40 = 4 × 9/40 × 9 = 36/360
4. Add the two like fractions:
   392/360 + 36/360 = 392 + 36/360 = 428/360
5. 428/360 simplified gives 107/90
6. So, 98/90 + 4/40 = 107/90
   In mixed form: 117/90

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