Add 72/98 and 42/30
1st number: 72/98, 2nd number: 1 12/30
72/98 + 42/30 is 523/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
72/98 = 72 × 15/98 × 15 = 1080/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
42/30 = 42 × 49/30 × 49 = 2058/1470 - Add the two like fractions:
1080/1470 + 2058/1470 = 1080 + 2058/1470 = 3138/1470 - 3138/1470 simplified gives 523/245
- So, 72/98 + 42/30 = 523/245
In mixed form: 233/245
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