Add 42/98 and 72/40
1st number: 42/98, 2nd number: 1 32/40
42/98 + 72/40 is 78/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
42/98 = 42 × 20/98 × 20 = 840/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
72/40 = 72 × 49/40 × 49 = 3528/1960 - Add the two like fractions:
840/1960 + 3528/1960 = 840 + 3528/1960 = 4368/1960 - 4368/1960 simplified gives 78/35
- So, 42/98 + 72/40 = 78/35
In mixed form: 28/35
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