Answers

Add 4/70 and 98/80

1^st number: 4/70, 2^nd number: 1 18/80

4/70 + 98/80 is 359/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   4/70 = 4 × 8/70 × 8 = 32/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   98/80 = 98 × 7/80 × 7 = 686/560
4. Add the two like fractions:
   32/560 + 686/560 = 32 + 686/560 = 718/560
5. 718/560 simplified gives 359/280
6. So, 4/70 + 98/80 = 359/280
   In mixed form: 179/280

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