Add 3/40 and 72/98
3/40 + 72/98 is 1587/1960.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
3/40 = 3 × 49/40 × 49 = 147/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
72/98 = 72 × 20/98 × 20 = 1440/1960 - Add the two like fractions:
147/1960 + 1440/1960 = 147 + 1440/1960 = 1587/1960 - So, 3/40 + 72/98 = 1587/1960
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