Add 3/49 and 72/40
1st number: 3/49, 2nd number: 1 32/40
3/49 + 72/40 is 456/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
3/49 = 3 × 40/49 × 40 = 120/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
72/40 = 72 × 49/40 × 49 = 3528/1960 - Add the two like fractions:
120/1960 + 3528/1960 = 120 + 3528/1960 = 3648/1960 - 3648/1960 simplified gives 456/245
- So, 3/49 + 72/40 = 456/245
In mixed form: 1211/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+72/40 3/98+72/40 3/49+72/80 9/49+72/40 15/49+72/40 21/49+72/40