Add 72/40 and 3/49
1st number: 1 32/40, 2nd number: 3/49
72/40 + 3/49 is 456/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
72/40 = 72 × 49/40 × 49 = 3528/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
3/49 = 3 × 40/49 × 40 = 120/1960 - Add the two like fractions:
3528/1960 + 120/1960 = 3528 + 120/1960 = 3648/1960 - 3648/1960 simplified gives 456/245
- So, 72/40 + 3/49 = 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: 72/40+6/49 72/80+3/49 72/40+3/98 72/40+9/49 72/40+15/49 72/40+21/49