Add 80/60 and 98/21
1st number: 1 20/60, 2nd number: 4 14/21
80/60 + 98/21 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
80/60 = 80 × 7/60 × 7 = 560/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
98/21 = 98 × 20/21 × 20 = 1960/420 - Add the two like fractions:
560/420 + 1960/420 = 560 + 1960/420 = 2520/420 - 2520/420 simplified gives 6/1
- So, 80/60 + 98/21 = 6/1
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