Add 72/98 and 60/70
72/98 + 60/70 is 78/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
72/98 = 72 × 5/98 × 5 = 360/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
60/70 = 60 × 7/70 × 7 = 420/490 - Add the two like fractions:
360/490 + 420/490 = 360 + 420/490 = 780/490 - 780/490 simplified gives 78/49
- So, 72/98 + 60/70 = 78/49
In mixed form: 129/49
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